Home / 22,862.85-31,553.64-13,909.82

Finding the Fourth Proportional to 22,862.85, 31,553.64 and 13,909.82

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Solution

The fourth proportional to 22,862.85, 31,553.64 and 13,909.82 is: 19,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.85 : 31,553.64 = 13,909.82 : x
  2. Step 2: Convert to fraction form
    22,862.85/31,553.64 = 13,909.82/x
  3. Step 3: Cross multiply
    22,862.85x = 31,553.64 × 13,909.82
  4. Step 4: Simplify right side
    22,862.85x = 438,905,383.20
  5. Step 5: Solve for x
    x = 438,905,383.20/22,862.85
  6. Step 6: Final answer
    x = 19,197.32

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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.