Home / 14,090.81-19,445.93-7,803.19

Finding the Fourth Proportional to 14,090.81, 19,445.93 and 7,803.19

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Solution

The fourth proportional to 14,090.81, 19,445.93 and 7,803.19 is: 10,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.81 : 19,445.93 = 7,803.19 : x
  2. Step 2: Convert to fraction form
    14,090.81/19,445.93 = 7,803.19/x
  3. Step 3: Cross multiply
    14,090.81x = 19,445.93 × 7,803.19
  4. Step 4: Simplify right side
    14,090.81x = 151,740,257.41
  5. Step 5: Solve for x
    x = 151,740,257.41/14,090.81
  6. Step 6: Final answer
    x = 10,768.74

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Half scale
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Double scale
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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.