Home / 22,508.15-31,063.07-12,437.48

Finding the Fourth Proportional to 22,508.15, 31,063.07 and 12,437.48

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Solution

The fourth proportional to 22,508.15, 31,063.07 and 12,437.48 is: 17,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,508.15 : 31,063.07 = 12,437.48 : x
  2. Step 2: Convert to fraction form
    22,508.15/31,063.07 = 12,437.48/x
  3. Step 3: Cross multiply
    22,508.15x = 31,063.07 × 12,437.48
  4. Step 4: Simplify right side
    22,508.15x = 386,346,187.64
  5. Step 5: Solve for x
    x = 386,346,187.64/22,508.15
  6. Step 6: Final answer
    x = 17,164.72

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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.