Home / 15,046.29-20,762.19-8,330.99

Finding the Fourth Proportional to 15,046.29, 20,762.19 and 8,330.99

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Solution

The fourth proportional to 15,046.29, 20,762.19 and 8,330.99 is: 11,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.29 : 20,762.19 = 8,330.99 : x
  2. Step 2: Convert to fraction form
    15,046.29/20,762.19 = 8,330.99/x
  3. Step 3: Cross multiply
    15,046.29x = 20,762.19 × 8,330.99
  4. Step 4: Simplify right side
    15,046.29x = 172,969,493.46
  5. Step 5: Solve for x
    x = 172,969,493.46/15,046.29
  6. Step 6: Final answer
    x = 11,495.82

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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.