Home / 15,958.68-22,025.62-12,174.70

Finding the Fourth Proportional to 15,958.68, 22,025.62 and 12,174.70

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Solution

The fourth proportional to 15,958.68, 22,025.62 and 12,174.70 is: 16,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.68 : 22,025.62 = 12,174.70 : x
  2. Step 2: Convert to fraction form
    15,958.68/22,025.62 = 12,174.70/x
  3. Step 3: Cross multiply
    15,958.68x = 22,025.62 × 12,174.70
  4. Step 4: Simplify right side
    15,958.68x = 268,155,315.81
  5. Step 5: Solve for x
    x = 268,155,315.81/15,958.68
  6. Step 6: Final answer
    x = 16,803.10

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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.