Home / 15,247.71-21,026.39-9,273.56

Finding the Fourth Proportional to 15,247.71, 21,026.39 and 9,273.56

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Solution

The fourth proportional to 15,247.71, 21,026.39 and 9,273.56 is: 12,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.71 : 21,026.39 = 9,273.56 : x
  2. Step 2: Convert to fraction form
    15,247.71/21,026.39 = 9,273.56/x
  3. Step 3: Cross multiply
    15,247.71x = 21,026.39 × 9,273.56
  4. Step 4: Simplify right side
    15,247.71x = 194,989,337.75
  5. Step 5: Solve for x
    x = 194,989,337.75/15,247.71
  6. Step 6: Final answer
    x = 12,788.11

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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.