Home / 23,129.84-31,919.96-14,175.61

Finding the Fourth Proportional to 23,129.84, 31,919.96 and 14,175.61

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Solution

The fourth proportional to 23,129.84, 31,919.96 and 14,175.61 is: 19,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.84 : 31,919.96 = 14,175.61 : x
  2. Step 2: Convert to fraction form
    23,129.84/31,919.96 = 14,175.61/x
  3. Step 3: Cross multiply
    23,129.84x = 31,919.96 × 14,175.61
  4. Step 4: Simplify right side
    23,129.84x = 452,484,913.10
  5. Step 5: Solve for x
    x = 452,484,913.10/23,129.84
  6. Step 6: Final answer
    x = 19,562.82

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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.