Home / 15,410.66-21,266.76-8,337.14

Finding the Fourth Proportional to 15,410.66, 21,266.76 and 8,337.14

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Solution

The fourth proportional to 15,410.66, 21,266.76 and 8,337.14 is: 11,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.66 : 21,266.76 = 8,337.14 : x
  2. Step 2: Convert to fraction form
    15,410.66/21,266.76 = 8,337.14/x
  3. Step 3: Cross multiply
    15,410.66x = 21,266.76 × 8,337.14
  4. Step 4: Simplify right side
    15,410.66x = 177,303,955.47
  5. Step 5: Solve for x
    x = 177,303,955.47/15,410.66
  6. Step 6: Final answer
    x = 11,505.28

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Half scale
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Double scale
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Similar ratio
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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.