Home / 15,748.80-21,733.35-9,034.15

Finding the Fourth Proportional to 15,748.80, 21,733.35 and 9,034.15

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Solution

The fourth proportional to 15,748.80, 21,733.35 and 9,034.15 is: 12,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.80 : 21,733.35 = 9,034.15 : x
  2. Step 2: Convert to fraction form
    15,748.80/21,733.35 = 9,034.15/x
  3. Step 3: Cross multiply
    15,748.80x = 21,733.35 × 9,034.15
  4. Step 4: Simplify right side
    15,748.80x = 196,342,242.87
  5. Step 5: Solve for x
    x = 196,342,242.87/15,748.80
  6. Step 6: Final answer
    x = 12,467.12

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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.