Home / 19,783.98-27,302.27-11,285.19

Finding the Fourth Proportional to 19,783.98, 27,302.27 and 11,285.19

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Solution

The fourth proportional to 19,783.98, 27,302.27 and 11,285.19 is: 15,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.98 : 27,302.27 = 11,285.19 : x
  2. Step 2: Convert to fraction form
    19,783.98/27,302.27 = 11,285.19/x
  3. Step 3: Cross multiply
    19,783.98x = 27,302.27 × 11,285.19
  4. Step 4: Simplify right side
    19,783.98x = 308,111,247.96
  5. Step 5: Solve for x
    x = 308,111,247.96/19,783.98
  6. Step 6: Final answer
    x = 15,573.77

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Half scale
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Double scale
Find fourth proportional to 19,784.98, 27,303.65 and 11,286.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.