Home / 22,631.13-31,231.08-12,560.22

Finding the Fourth Proportional to 22,631.13, 31,231.08 and 12,560.22

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Solution

The fourth proportional to 22,631.13, 31,231.08 and 12,560.22 is: 17,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631.13 : 31,231.08 = 12,560.22 : x
  2. Step 2: Convert to fraction form
    22,631.13/31,231.08 = 12,560.22/x
  3. Step 3: Cross multiply
    22,631.13x = 31,231.08 × 12,560.22
  4. Step 4: Simplify right side
    22,631.13x = 392,269,235.64
  5. Step 5: Solve for x
    x = 392,269,235.64/22,631.13
  6. Step 6: Final answer
    x = 17,333.17

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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.