Home / 15,032.68-20,744.76-8,748.52

Finding the Fourth Proportional to 15,032.68, 20,744.76 and 8,748.52

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Solution

The fourth proportional to 15,032.68, 20,744.76 and 8,748.52 is: 12,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.68 : 20,744.76 = 8,748.52 : x
  2. Step 2: Convert to fraction form
    15,032.68/20,744.76 = 8,748.52/x
  3. Step 3: Cross multiply
    15,032.68x = 20,744.76 × 8,748.52
  4. Step 4: Simplify right side
    15,032.68x = 181,485,947.76
  5. Step 5: Solve for x
    x = 181,485,947.76/15,032.68
  6. Step 6: Final answer
    x = 12,072.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.