Home / 17,312.93-23,891.85-9,355.18

Finding the Fourth Proportional to 17,312.93, 23,891.85 and 9,355.18

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Solution

The fourth proportional to 17,312.93, 23,891.85 and 9,355.18 is: 12,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.93 : 23,891.85 = 9,355.18 : x
  2. Step 2: Convert to fraction form
    17,312.93/23,891.85 = 9,355.18/x
  3. Step 3: Cross multiply
    17,312.93x = 23,891.85 × 9,355.18
  4. Step 4: Simplify right side
    17,312.93x = 223,512,557.28
  5. Step 5: Solve for x
    x = 223,512,557.28/17,312.93
  6. Step 6: Final answer
    x = 12,910.15

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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.