Home / 16,864.40-25,295.64-5,177.58

Finding the Fourth Proportional to 16,864.40, 25,295.64 and 5,177.58

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Solution

The fourth proportional to 16,864.40, 25,295.64 and 5,177.58 is: 7,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.40 : 25,295.64 = 5,177.58 : x
  2. Step 2: Convert to fraction form
    16,864.40/25,295.64 = 5,177.58/x
  3. Step 3: Cross multiply
    16,864.40x = 25,295.64 × 5,177.58
  4. Step 4: Simplify right side
    16,864.40x = 130,970,199.75
  5. Step 5: Solve for x
    x = 130,970,199.75/16,864.40
  6. Step 6: Final answer
    x = 7,766.08

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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.