Home / 22,502.52-31,055.40-12,432.06

Finding the Fourth Proportional to 22,502.52, 31,055.40 and 12,432.06

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Solution

The fourth proportional to 22,502.52, 31,055.40 and 12,432.06 is: 17,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502.52 : 31,055.40 = 12,432.06 : x
  2. Step 2: Convert to fraction form
    22,502.52/31,055.40 = 12,432.06/x
  3. Step 3: Cross multiply
    22,502.52x = 31,055.40 × 12,432.06
  4. Step 4: Simplify right side
    22,502.52x = 386,082,596.12
  5. Step 5: Solve for x
    x = 386,082,596.12/22,502.52
  6. Step 6: Final answer
    x = 17,157.30

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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.