Home / 23,330.40-34,995.60-19,175.10

Finding the Fourth Proportional to 23,330.40, 34,995.60 and 19,175.10

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Solution

The fourth proportional to 23,330.40, 34,995.60 and 19,175.10 is: 28,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,330.40 : 34,995.60 = 19,175.10 : x
  2. Step 2: Convert to fraction form
    23,330.40/34,995.60 = 19,175.10/x
  3. Step 3: Cross multiply
    23,330.40x = 34,995.60 × 19,175.10
  4. Step 4: Simplify right side
    23,330.40x = 671,044,129.56
  5. Step 5: Solve for x
    x = 671,044,129.56/23,330.40
  6. Step 6: Final answer
    x = 28,762.65

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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.