Home / 22,607.82-31,197.52-12,535.66

Finding the Fourth Proportional to 22,607.82, 31,197.52 and 12,535.66

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Solution

The fourth proportional to 22,607.82, 31,197.52 and 12,535.66 is: 17,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.82 : 31,197.52 = 12,535.66 : x
  2. Step 2: Convert to fraction form
    22,607.82/31,197.52 = 12,535.66/x
  3. Step 3: Cross multiply
    22,607.82x = 31,197.52 × 12,535.66
  4. Step 4: Simplify right side
    22,607.82x = 391,081,503.56
  5. Step 5: Solve for x
    x = 391,081,503.56/22,607.82
  6. Step 6: Final answer
    x = 17,298.51

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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.