Home / 23,411.40-35,117.10-15,538.20

Finding the Fourth Proportional to 23,411.40, 35,117.10 and 15,538.20

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Solution

The fourth proportional to 23,411.40, 35,117.10 and 15,538.20 is: 23,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,411.40 : 35,117.10 = 15,538.20 : x
  2. Step 2: Convert to fraction form
    23,411.40/35,117.10 = 15,538.20/x
  3. Step 3: Cross multiply
    23,411.40x = 35,117.10 × 15,538.20
  4. Step 4: Simplify right side
    23,411.40x = 545,656,523.22
  5. Step 5: Solve for x
    x = 545,656,523.22/23,411.40
  6. Step 6: Final answer
    x = 23,307.30

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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.