Home / 22,497.18-31,052.12-12,938.11

Finding the Fourth Proportional to 22,497.18, 31,052.12 and 12,938.11

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Solution

The fourth proportional to 22,497.18, 31,052.12 and 12,938.11 is: 17,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.18 : 31,052.12 = 12,938.11 : x
  2. Step 2: Convert to fraction form
    22,497.18/31,052.12 = 12,938.11/x
  3. Step 3: Cross multiply
    22,497.18x = 31,052.12 × 12,938.11
  4. Step 4: Simplify right side
    22,497.18x = 401,755,744.29
  5. Step 5: Solve for x
    x = 401,755,744.29/22,497.18
  6. Step 6: Final answer
    x = 17,858.05

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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.