Home / 22,889.67-31,587.21-13,458.84

Finding the Fourth Proportional to 22,889.67, 31,587.21 and 13,458.84

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Solution

The fourth proportional to 22,889.67, 31,587.21 and 13,458.84 is: 18,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,889.67 : 31,587.21 = 13,458.84 : x
  2. Step 2: Convert to fraction form
    22,889.67/31,587.21 = 13,458.84/x
  3. Step 3: Cross multiply
    22,889.67x = 31,587.21 × 13,458.84
  4. Step 4: Simplify right side
    22,889.67x = 425,127,205.44
  5. Step 5: Solve for x
    x = 425,127,205.44/22,889.67
  6. Step 6: Final answer
    x = 18,572.88

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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.