Home / 22,803.39-31,468.35-12,731.99

Finding the Fourth Proportional to 22,803.39, 31,468.35 and 12,731.99

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Solution

The fourth proportional to 22,803.39, 31,468.35 and 12,731.99 is: 17,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,803.39 : 31,468.35 = 12,731.99 : x
  2. Step 2: Convert to fraction form
    22,803.39/31,468.35 = 12,731.99/x
  3. Step 3: Cross multiply
    22,803.39x = 31,468.35 × 12,731.99
  4. Step 4: Simplify right side
    22,803.39x = 400,654,536.30
  5. Step 5: Solve for x
    x = 400,654,536.30/22,803.39
  6. Step 6: Final answer
    x = 17,569.96

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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.