Home / 15,841.47-23,767.49-5,312.54

Finding the Fourth Proportional to 15,841.47, 23,767.49 and 5,312.54

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Solution

The fourth proportional to 15,841.47, 23,767.49 and 5,312.54 is: 7,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.47 : 23,767.49 = 5,312.54 : x
  2. Step 2: Convert to fraction form
    15,841.47/23,767.49 = 5,312.54/x
  3. Step 3: Cross multiply
    15,841.47x = 23,767.49 × 5,312.54
  4. Step 4: Simplify right side
    15,841.47x = 126,265,595.92
  5. Step 5: Solve for x
    x = 126,265,595.92/15,841.47
  6. Step 6: Final answer
    x = 7,970.57

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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.