Home / 22,875.37-31,565.13-13,318.35

Finding the Fourth Proportional to 22,875.37, 31,565.13 and 13,318.35

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Solution

The fourth proportional to 22,875.37, 31,565.13 and 13,318.35 is: 18,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,875.37 : 31,565.13 = 13,318.35 : x
  2. Step 2: Convert to fraction form
    22,875.37/31,565.13 = 13,318.35/x
  3. Step 3: Cross multiply
    22,875.37x = 31,565.13 × 13,318.35
  4. Step 4: Simplify right side
    22,875.37x = 420,395,449.14
  5. Step 5: Solve for x
    x = 420,395,449.14/22,875.37
  6. Step 6: Final answer
    x = 18,377.65

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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.