Home / 14,902.11-20,547.81-9,517.23

Finding the Fourth Proportional to 14,902.11, 20,547.81 and 9,517.23

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Solution

The fourth proportional to 14,902.11, 20,547.81 and 9,517.23 is: 13,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,902.11 : 20,547.81 = 9,517.23 : x
  2. Step 2: Convert to fraction form
    14,902.11/20,547.81 = 9,517.23/x
  3. Step 3: Cross multiply
    14,902.11x = 20,547.81 × 9,517.23
  4. Step 4: Simplify right side
    14,902.11x = 195,558,233.77
  5. Step 5: Solve for x
    x = 195,558,233.77/14,902.11
  6. Step 6: Final answer
    x = 13,122.86

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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.