Home / 16,717.30-23,073.30-9,642.76

Finding the Fourth Proportional to 16,717.30, 23,073.30 and 9,642.76

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Solution

The fourth proportional to 16,717.30, 23,073.30 and 9,642.76 is: 13,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,717.30 : 23,073.30 = 9,642.76 : x
  2. Step 2: Convert to fraction form
    16,717.30/23,073.30 = 9,642.76/x
  3. Step 3: Cross multiply
    16,717.30x = 23,073.30 × 9,642.76
  4. Step 4: Simplify right side
    16,717.30x = 222,490,236.62
  5. Step 5: Solve for x
    x = 222,490,236.62/16,717.30
  6. Step 6: Final answer
    x = 13,308.98

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Half scale
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Double scale
Find fourth proportional to 16,718.30, 23,074.68 and 9,643.76
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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.