Home / 15,750.33-21,737.51-9,034.65

Finding the Fourth Proportional to 15,750.33, 21,737.51 and 9,034.65

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Solution

The fourth proportional to 15,750.33, 21,737.51 and 9,034.65 is: 12,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.33 : 21,737.51 = 9,034.65 : x
  2. Step 2: Convert to fraction form
    15,750.33/21,737.51 = 9,034.65/x
  3. Step 3: Cross multiply
    15,750.33x = 21,737.51 × 9,034.65
  4. Step 4: Simplify right side
    15,750.33x = 196,390,749.55
  5. Step 5: Solve for x
    x = 196,390,749.55/15,750.33
  6. Step 6: Final answer
    x = 12,468.99

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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.