Home / 18,335.29-27,516.87-13,417.62

Finding the Fourth Proportional to 18,335.29, 27,516.87 and 13,417.62

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Solution

The fourth proportional to 18,335.29, 27,516.87 and 13,417.62 is: 20,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.29 : 27,516.87 = 13,417.62 : x
  2. Step 2: Convert to fraction form
    18,335.29/27,516.87 = 13,417.62/x
  3. Step 3: Cross multiply
    18,335.29x = 27,516.87 × 13,417.62
  4. Step 4: Simplify right side
    18,335.29x = 369,210,838.16
  5. Step 5: Solve for x
    x = 369,210,838.16/18,335.29
  6. Step 6: Final answer
    x = 20,136.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.