Home / 22,544.32-31,110.24-12,607.68

Finding the Fourth Proportional to 22,544.32, 31,110.24 and 12,607.68

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Solution

The fourth proportional to 22,544.32, 31,110.24 and 12,607.68 is: 17,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,544.32 : 31,110.24 = 12,607.68 : x
  2. Step 2: Convert to fraction form
    22,544.32/31,110.24 = 12,607.68/x
  3. Step 3: Cross multiply
    22,544.32x = 31,110.24 × 12,607.68
  4. Step 4: Simplify right side
    22,544.32x = 392,227,950.64
  5. Step 5: Solve for x
    x = 392,227,950.64/22,544.32
  6. Step 6: Final answer
    x = 17,398.08

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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.