Home / 17,528.40-24,180.12-12,742.92

Finding the Fourth Proportional to 17,528.40, 24,180.12 and 12,742.92

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Solution

The fourth proportional to 17,528.40, 24,180.12 and 12,742.92 is: 17,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,528.40 : 24,180.12 = 12,742.92 : x
  2. Step 2: Convert to fraction form
    17,528.40/24,180.12 = 12,742.92/x
  3. Step 3: Cross multiply
    17,528.40x = 24,180.12 × 12,742.92
  4. Step 4: Simplify right side
    17,528.40x = 308,125,334.75
  5. Step 5: Solve for x
    x = 308,125,334.75/17,528.40
  6. Step 6: Final answer
    x = 17,578.63

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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.