Home / 25,530.10-38,295.16-8,001.29

Finding the Fourth Proportional to 25,530.10, 38,295.16 and 8,001.29

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Solution

The fourth proportional to 25,530.10, 38,295.16 and 8,001.29 is: 12,001.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.10 : 38,295.16 = 8,001.29 : x
  2. Step 2: Convert to fraction form
    25,530.10/38,295.16 = 8,001.29/x
  3. Step 3: Cross multiply
    25,530.10x = 38,295.16 × 8,001.29
  4. Step 4: Simplify right side
    25,530.10x = 306,410,756.49
  5. Step 5: Solve for x
    x = 306,410,756.49/25,530.10
  6. Step 6: Final answer
    x = 12,001.94

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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.