Home / 22,827.30-31,511.38-13,877.66

Finding the Fourth Proportional to 22,827.30, 31,511.38 and 13,877.66

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Solution

The fourth proportional to 22,827.30, 31,511.38 and 13,877.66 is: 19,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,827.30 : 31,511.38 = 13,877.66 : x
  2. Step 2: Convert to fraction form
    22,827.30/31,511.38 = 13,877.66/x
  3. Step 3: Cross multiply
    22,827.30x = 31,511.38 × 13,877.66
  4. Step 4: Simplify right side
    22,827.30x = 437,304,217.77
  5. Step 5: Solve for x
    x = 437,304,217.77/22,827.30
  6. Step 6: Final answer
    x = 19,157.07

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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.