Home / 22,725.84-31,366.32-13,296.72

Finding the Fourth Proportional to 22,725.84, 31,366.32 and 13,296.72

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Solution

The fourth proportional to 22,725.84, 31,366.32 and 13,296.72 is: 18,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.84 : 31,366.32 = 13,296.72 : x
  2. Step 2: Convert to fraction form
    22,725.84/31,366.32 = 13,296.72/x
  3. Step 3: Cross multiply
    22,725.84x = 31,366.32 × 13,296.72
  4. Step 4: Simplify right side
    22,725.84x = 417,069,174.47
  5. Step 5: Solve for x
    x = 417,069,174.47/22,725.84
  6. Step 6: Final answer
    x = 18,352.20

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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.