Home / 22,979.79-34,461.18-8,184.78

Finding the Fourth Proportional to 22,979.79, 34,461.18 and 8,184.78

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Solution

The fourth proportional to 22,979.79, 34,461.18 and 8,184.78 is: 12,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,979.79 : 34,461.18 = 8,184.78 : x
  2. Step 2: Convert to fraction form
    22,979.79/34,461.18 = 8,184.78/x
  3. Step 3: Cross multiply
    22,979.79x = 34,461.18 × 8,184.78
  4. Step 4: Simplify right side
    22,979.79x = 282,057,176.84
  5. Step 5: Solve for x
    x = 282,057,176.84/22,979.79
  6. Step 6: Final answer
    x = 12,274.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.