Home / 22,862.88-31,555.72-13,913.27

Finding the Fourth Proportional to 22,862.88, 31,555.72 and 13,913.27

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Solution

The fourth proportional to 22,862.88, 31,555.72 and 13,913.27 is: 19,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.88 : 31,555.72 = 13,913.27 : x
  2. Step 2: Convert to fraction form
    22,862.88/31,555.72 = 13,913.27/x
  3. Step 3: Cross multiply
    22,862.88x = 31,555.72 × 13,913.27
  4. Step 4: Simplify right side
    22,862.88x = 439,043,252.40
  5. Step 5: Solve for x
    x = 439,043,252.40/22,862.88
  6. Step 6: Final answer
    x = 19,203.32

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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.