Home / 15,960.68-22,025.54-8,790.46

Finding the Fourth Proportional to 15,960.68, 22,025.54 and 8,790.46

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Solution

The fourth proportional to 15,960.68, 22,025.54 and 8,790.46 is: 12,130.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.68 : 22,025.54 = 8,790.46 : x
  2. Step 2: Convert to fraction form
    15,960.68/22,025.54 = 8,790.46/x
  3. Step 3: Cross multiply
    15,960.68x = 22,025.54 × 8,790.46
  4. Step 4: Simplify right side
    15,960.68x = 193,614,686.19
  5. Step 5: Solve for x
    x = 193,614,686.19/15,960.68
  6. Step 6: Final answer
    x = 12,130.73

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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.