Home / 15,100.29-22,650.45-5,239.59

Finding the Fourth Proportional to 15,100.29, 22,650.45 and 5,239.59

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Solution

The fourth proportional to 15,100.29, 22,650.45 and 5,239.59 is: 7,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.29 : 22,650.45 = 5,239.59 : x
  2. Step 2: Convert to fraction form
    15,100.29/22,650.45 = 5,239.59/x
  3. Step 3: Cross multiply
    15,100.29x = 22,650.45 × 5,239.59
  4. Step 4: Simplify right side
    15,100.29x = 118,679,071.32
  5. Step 5: Solve for x
    x = 118,679,071.32/15,100.29
  6. Step 6: Final answer
    x = 7,859.39

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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.