Home / 25,414.80-38,122.20-6,946.80

Finding the Fourth Proportional to 25,414.80, 38,122.20 and 6,946.80

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Solution

The fourth proportional to 25,414.80, 38,122.20 and 6,946.80 is: 10,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414.80 : 38,122.20 = 6,946.80 : x
  2. Step 2: Convert to fraction form
    25,414.80/38,122.20 = 6,946.80/x
  3. Step 3: Cross multiply
    25,414.80x = 38,122.20 × 6,946.80
  4. Step 4: Simplify right side
    25,414.80x = 264,827,298.96
  5. Step 5: Solve for x
    x = 264,827,298.96/25,414.80
  6. Step 6: Final answer
    x = 10,420.20

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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.