Home / 22,037.29-30,411.47-11,965.75

Finding the Fourth Proportional to 22,037.29, 30,411.47 and 11,965.75

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Solution

The fourth proportional to 22,037.29, 30,411.47 and 11,965.75 is: 16,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,037.29 : 30,411.47 = 11,965.75 : x
  2. Step 2: Convert to fraction form
    22,037.29/30,411.47 = 11,965.75/x
  3. Step 3: Cross multiply
    22,037.29x = 30,411.47 × 11,965.75
  4. Step 4: Simplify right side
    22,037.29x = 363,896,047.15
  5. Step 5: Solve for x
    x = 363,896,047.15/22,037.29
  6. Step 6: Final answer
    x = 16,512.74

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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.