Home / 22,669.12-34,011.78-7,877.44

Finding the Fourth Proportional to 22,669.12, 34,011.78 and 7,877.44

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Solution

The fourth proportional to 22,669.12, 34,011.78 and 7,877.44 is: 11,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669.12 : 34,011.78 = 7,877.44 : x
  2. Step 2: Convert to fraction form
    22,669.12/34,011.78 = 7,877.44/x
  3. Step 3: Cross multiply
    22,669.12x = 34,011.78 × 7,877.44
  4. Step 4: Simplify right side
    22,669.12x = 267,925,756.24
  5. Step 5: Solve for x
    x = 267,925,756.24/22,669.12
  6. Step 6: Final answer
    x = 11,818.97

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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.