Home / 14,987.28-22,478.38-5,497.63

Finding the Fourth Proportional to 14,987.28, 22,478.38 and 5,497.63

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Solution

The fourth proportional to 14,987.28, 22,478.38 and 5,497.63 is: 8,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.28 : 22,478.38 = 5,497.63 : x
  2. Step 2: Convert to fraction form
    14,987.28/22,478.38 = 5,497.63/x
  3. Step 3: Cross multiply
    14,987.28x = 22,478.38 × 5,497.63
  4. Step 4: Simplify right side
    14,987.28x = 123,577,816.24
  5. Step 5: Solve for x
    x = 123,577,816.24/14,987.28
  6. Step 6: Final answer
    x = 8,245.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.