Home / 22,191.41-30,572.06-15,464.81

Finding the Fourth Proportional to 22,191.41, 30,572.06 and 15,464.81

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Solution

The fourth proportional to 22,191.41, 30,572.06 and 15,464.81 is: 21,305.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.41 : 30,572.06 = 15,464.81 : x
  2. Step 2: Convert to fraction form
    22,191.41/30,572.06 = 15,464.81/x
  3. Step 3: Cross multiply
    22,191.41x = 30,572.06 × 15,464.81
  4. Step 4: Simplify right side
    22,191.41x = 472,790,869.02
  5. Step 5: Solve for x
    x = 472,790,869.02/22,191.41
  6. Step 6: Final answer
    x = 21,305.13

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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.