Home / 25,777.04-38,661.96-8,248.40

Finding the Fourth Proportional to 25,777.04, 38,661.96 and 8,248.40

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Solution

The fourth proportional to 25,777.04, 38,661.96 and 8,248.40 is: 12,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.04 : 38,661.96 = 8,248.40 : x
  2. Step 2: Convert to fraction form
    25,777.04/38,661.96 = 8,248.40/x
  3. Step 3: Cross multiply
    25,777.04x = 38,661.96 × 8,248.40
  4. Step 4: Simplify right side
    25,777.04x = 318,899,310.86
  5. Step 5: Solve for x
    x = 318,899,310.86/25,777.04
  6. Step 6: Final answer
    x = 12,371.45

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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.