Home / 22,541.49-31,102.65-13,589.57

Finding the Fourth Proportional to 22,541.49, 31,102.65 and 13,589.57

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Solution

The fourth proportional to 22,541.49, 31,102.65 and 13,589.57 is: 18,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,541.49 : 31,102.65 = 13,589.57 : x
  2. Step 2: Convert to fraction form
    22,541.49/31,102.65 = 13,589.57/x
  3. Step 3: Cross multiply
    22,541.49x = 31,102.65 × 13,589.57
  4. Step 4: Simplify right side
    22,541.49x = 422,671,717.12
  5. Step 5: Solve for x
    x = 422,671,717.12/22,541.49
  6. Step 6: Final answer
    x = 18,750.83

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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.