Home / 15,070.78-22,600.77-5,207.41

Finding the Fourth Proportional to 15,070.78, 22,600.77 and 5,207.41

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Solution

The fourth proportional to 15,070.78, 22,600.77 and 5,207.41 is: 7,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,070.78 : 22,600.77 = 5,207.41 : x
  2. Step 2: Convert to fraction form
    15,070.78/22,600.77 = 5,207.41/x
  3. Step 3: Cross multiply
    15,070.78x = 22,600.77 × 5,207.41
  4. Step 4: Simplify right side
    15,070.78x = 117,691,475.71
  5. Step 5: Solve for x
    x = 117,691,475.71/15,070.78
  6. Step 6: Final answer
    x = 7,809.25

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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.