Home / 22,664.11-31,262.61-13,459.42

Finding the Fourth Proportional to 22,664.11, 31,262.61 and 13,459.42

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Solution

The fourth proportional to 22,664.11, 31,262.61 and 13,459.42 is: 18,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,664.11 : 31,262.61 = 13,459.42 : x
  2. Step 2: Convert to fraction form
    22,664.11/31,262.61 = 13,459.42/x
  3. Step 3: Cross multiply
    22,664.11x = 31,262.61 × 13,459.42
  4. Step 4: Simplify right side
    22,664.11x = 420,776,598.29
  5. Step 5: Solve for x
    x = 420,776,598.29/22,664.11
  6. Step 6: Final answer
    x = 18,565.77

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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.