Home / 14,402.07-19,873.46-8,661.19

Finding the Fourth Proportional to 14,402.07, 19,873.46 and 8,661.19

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Solution

The fourth proportional to 14,402.07, 19,873.46 and 8,661.19 is: 11,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.07 : 19,873.46 = 8,661.19 : x
  2. Step 2: Convert to fraction form
    14,402.07/19,873.46 = 8,661.19/x
  3. Step 3: Cross multiply
    14,402.07x = 19,873.46 × 8,661.19
  4. Step 4: Simplify right side
    14,402.07x = 172,127,813.02
  5. Step 5: Solve for x
    x = 172,127,813.02/14,402.07
  6. Step 6: Final answer
    x = 11,951.60

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Half scale
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Double scale
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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.