Home / 25,672.15-38,509.28-8,816.74

Finding the Fourth Proportional to 25,672.15, 38,509.28 and 8,816.74

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Solution

The fourth proportional to 25,672.15, 38,509.28 and 8,816.74 is: 13,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.15 : 38,509.28 = 8,816.74 : x
  2. Step 2: Convert to fraction form
    25,672.15/38,509.28 = 8,816.74/x
  3. Step 3: Cross multiply
    25,672.15x = 38,509.28 × 8,816.74
  4. Step 4: Simplify right side
    25,672.15x = 339,526,235.12
  5. Step 5: Solve for x
    x = 339,526,235.12/25,672.15
  6. Step 6: Final answer
    x = 13,225.47

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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.