Home / 22,609.15-31,204.20-13,657.93

Finding the Fourth Proportional to 22,609.15, 31,204.20 and 13,657.93

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Solution

The fourth proportional to 22,609.15, 31,204.20 and 13,657.93 is: 18,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.15 : 31,204.20 = 13,657.93 : x
  2. Step 2: Convert to fraction form
    22,609.15/31,204.20 = 13,657.93/x
  3. Step 3: Cross multiply
    22,609.15x = 31,204.20 × 13,657.93
  4. Step 4: Simplify right side
    22,609.15x = 426,184,779.31
  5. Step 5: Solve for x
    x = 426,184,779.31/22,609.15
  6. Step 6: Final answer
    x = 18,850.10

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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.