Home / 21,925.85-32,889.18-7,134.71

Finding the Fourth Proportional to 21,925.85, 32,889.18 and 7,134.71

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Solution

The fourth proportional to 21,925.85, 32,889.18 and 7,134.71 is: 10,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,925.85 : 32,889.18 = 7,134.71 : x
  2. Step 2: Convert to fraction form
    21,925.85/32,889.18 = 7,134.71/x
  3. Step 3: Cross multiply
    21,925.85x = 32,889.18 × 7,134.71
  4. Step 4: Simplify right side
    21,925.85x = 234,654,596.99
  5. Step 5: Solve for x
    x = 234,654,596.99/21,925.85
  6. Step 6: Final answer
    x = 10,702.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.