Home / 21,746.13-32,619.20-5,330.13

Finding the Fourth Proportional to 21,746.13, 32,619.20 and 5,330.13

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Solution

The fourth proportional to 21,746.13, 32,619.20 and 5,330.13 is: 7,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.13 : 32,619.20 = 5,330.13 : x
  2. Step 2: Convert to fraction form
    21,746.13/32,619.20 = 5,330.13/x
  3. Step 3: Cross multiply
    21,746.13x = 32,619.20 × 5,330.13
  4. Step 4: Simplify right side
    21,746.13x = 173,864,576.50
  5. Step 5: Solve for x
    x = 173,864,576.50/21,746.13
  6. Step 6: Final answer
    x = 7,995.20

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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.