Home / 22,151.46-30,568.64-12,079.92

Finding the Fourth Proportional to 22,151.46, 30,568.64 and 12,079.92

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Solution

The fourth proportional to 22,151.46, 30,568.64 and 12,079.92 is: 16,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.46 : 30,568.64 = 12,079.92 : x
  2. Step 2: Convert to fraction form
    22,151.46/30,568.64 = 12,079.92/x
  3. Step 3: Cross multiply
    22,151.46x = 30,568.64 × 12,079.92
  4. Step 4: Simplify right side
    22,151.46x = 369,266,665.31
  5. Step 5: Solve for x
    x = 369,266,665.31/22,151.46
  6. Step 6: Final answer
    x = 16,670.08

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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.