Home / 23,154.10-31,957.89-13,088.37

Finding the Fourth Proportional to 23,154.10, 31,957.89 and 13,088.37

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Solution

The fourth proportional to 23,154.10, 31,957.89 and 13,088.37 is: 18,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.10 : 31,957.89 = 13,088.37 : x
  2. Step 2: Convert to fraction form
    23,154.10/31,957.89 = 13,088.37/x
  3. Step 3: Cross multiply
    23,154.10x = 31,957.89 × 13,088.37
  4. Step 4: Simplify right side
    23,154.10x = 418,276,688.74
  5. Step 5: Solve for x
    x = 418,276,688.74/23,154.10
  6. Step 6: Final answer
    x = 18,064.91

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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.