Home / 15,760.77-21,748.26-9,044.79

Finding the Fourth Proportional to 15,760.77, 21,748.26 and 9,044.79

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Solution

The fourth proportional to 15,760.77, 21,748.26 and 9,044.79 is: 12,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.77 : 21,748.26 = 9,044.79 : x
  2. Step 2: Convert to fraction form
    15,760.77/21,748.26 = 9,044.79/x
  3. Step 3: Cross multiply
    15,760.77x = 21,748.26 × 9,044.79
  4. Step 4: Simplify right side
    15,760.77x = 196,708,444.57
  5. Step 5: Solve for x
    x = 196,708,444.57/15,760.77
  6. Step 6: Final answer
    x = 12,480.89

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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.