Home / 16,866.78-25,283.17-5,765.91

Finding the Fourth Proportional to 16,866.78, 25,283.17 and 5,765.91

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Solution

The fourth proportional to 16,866.78, 25,283.17 and 5,765.91 is: 8,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.78 : 25,283.17 = 5,765.91 : x
  2. Step 2: Convert to fraction form
    16,866.78/25,283.17 = 5,765.91/x
  3. Step 3: Cross multiply
    16,866.78x = 25,283.17 × 5,765.91
  4. Step 4: Simplify right side
    16,866.78x = 145,780,482.73
  5. Step 5: Solve for x
    x = 145,780,482.73/16,866.78
  6. Step 6: Final answer
    x = 8,643.05

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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.