Home / 22,759.57-31,427.58-14,275.90

Finding the Fourth Proportional to 22,759.57, 31,427.58 and 14,275.90

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Solution

The fourth proportional to 22,759.57, 31,427.58 and 14,275.90 is: 19,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,759.57 : 31,427.58 = 14,275.90 : x
  2. Step 2: Convert to fraction form
    22,759.57/31,427.58 = 14,275.90/x
  3. Step 3: Cross multiply
    22,759.57x = 31,427.58 × 14,275.90
  4. Step 4: Simplify right side
    22,759.57x = 448,656,989.32
  5. Step 5: Solve for x
    x = 448,656,989.32/22,759.57
  6. Step 6: Final answer
    x = 19,712.89

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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.