Home / 22,972.46-31,698.18-13,539.74

Finding the Fourth Proportional to 22,972.46, 31,698.18 and 13,539.74

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Solution

The fourth proportional to 22,972.46, 31,698.18 and 13,539.74 is: 18,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,972.46 : 31,698.18 = 13,539.74 : x
  2. Step 2: Convert to fraction form
    22,972.46/31,698.18 = 13,539.74/x
  3. Step 3: Cross multiply
    22,972.46x = 31,698.18 × 13,539.74
  4. Step 4: Simplify right side
    22,972.46x = 429,185,115.67
  5. Step 5: Solve for x
    x = 429,185,115.67/22,972.46
  6. Step 6: Final answer
    x = 18,682.59

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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.