Home / 22,518.23-31,073.37-12,447.11

Finding the Fourth Proportional to 22,518.23, 31,073.37 and 12,447.11

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Solution

The fourth proportional to 22,518.23, 31,073.37 and 12,447.11 is: 17,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.23 : 31,073.37 = 12,447.11 : x
  2. Step 2: Convert to fraction form
    22,518.23/31,073.37 = 12,447.11/x
  3. Step 3: Cross multiply
    22,518.23x = 31,073.37 × 12,447.11
  4. Step 4: Simplify right side
    22,518.23x = 386,773,654.46
  5. Step 5: Solve for x
    x = 386,773,654.46/22,518.23
  6. Step 6: Final answer
    x = 17,176.02

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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.