Home / 15,760.68-21,750.64-9,046.24

Finding the Fourth Proportional to 15,760.68, 21,750.64 and 9,046.24

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Solution

The fourth proportional to 15,760.68, 21,750.64 and 9,046.24 is: 12,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.68 : 21,750.64 = 9,046.24 : x
  2. Step 2: Convert to fraction form
    15,760.68/21,750.64 = 9,046.24/x
  3. Step 3: Cross multiply
    15,760.68x = 21,750.64 × 9,046.24
  4. Step 4: Simplify right side
    15,760.68x = 196,761,509.59
  5. Step 5: Solve for x
    x = 196,761,509.59/15,760.68
  6. Step 6: Final answer
    x = 12,484.33

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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.