Home / 15,094.73-20,830.79-9,432.76

Finding the Fourth Proportional to 15,094.73, 20,830.79 and 9,432.76

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Solution

The fourth proportional to 15,094.73, 20,830.79 and 9,432.76 is: 13,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.73 : 20,830.79 = 9,432.76 : x
  2. Step 2: Convert to fraction form
    15,094.73/20,830.79 = 9,432.76/x
  3. Step 3: Cross multiply
    15,094.73x = 20,830.79 × 9,432.76
  4. Step 4: Simplify right side
    15,094.73x = 196,491,842.68
  5. Step 5: Solve for x
    x = 196,491,842.68/15,094.73
  6. Step 6: Final answer
    x = 13,017.25

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Half scale
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Double scale
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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.