Home / 15,044.32-20,761.33-8,330.07

Finding the Fourth Proportional to 15,044.32, 20,761.33 and 8,330.07

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Solution

The fourth proportional to 15,044.32, 20,761.33 and 8,330.07 is: 11,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.32 : 20,761.33 = 8,330.07 : x
  2. Step 2: Convert to fraction form
    15,044.32/20,761.33 = 8,330.07/x
  3. Step 3: Cross multiply
    15,044.32x = 20,761.33 × 8,330.07
  4. Step 4: Simplify right side
    15,044.32x = 172,943,332.19
  5. Step 5: Solve for x
    x = 172,943,332.19/15,044.32
  6. Step 6: Final answer
    x = 11,495.59

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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.