Home / 25,628.42-38,442.40-8,098.25

Finding the Fourth Proportional to 25,628.42, 38,442.40 and 8,098.25

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Solution

The fourth proportional to 25,628.42, 38,442.40 and 8,098.25 is: 12,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.42 : 38,442.40 = 8,098.25 : x
  2. Step 2: Convert to fraction form
    25,628.42/38,442.40 = 8,098.25/x
  3. Step 3: Cross multiply
    25,628.42x = 38,442.40 × 8,098.25
  4. Step 4: Simplify right side
    25,628.42x = 311,316,165.80
  5. Step 5: Solve for x
    x = 311,316,165.80/25,628.42
  6. Step 6: Final answer
    x = 12,147.30

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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.