Home / 15,555.32-23,332.98-5,167.08

Finding the Fourth Proportional to 15,555.32, 23,332.98 and 5,167.08

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Solution

The fourth proportional to 15,555.32, 23,332.98 and 5,167.08 is: 7,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.32 : 23,332.98 = 5,167.08 : x
  2. Step 2: Convert to fraction form
    15,555.32/23,332.98 = 5,167.08/x
  3. Step 3: Cross multiply
    15,555.32x = 23,332.98 × 5,167.08
  4. Step 4: Simplify right side
    15,555.32x = 120,563,374.30
  5. Step 5: Solve for x
    x = 120,563,374.30/15,555.32
  6. Step 6: Final answer
    x = 7,750.62

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.