Home / 25,774.33-38,650.57-9,138.55

Finding the Fourth Proportional to 25,774.33, 38,650.57 and 9,138.55

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Solution

The fourth proportional to 25,774.33, 38,650.57 and 9,138.55 is: 13,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,774.33 : 38,650.57 = 9,138.55 : x
  2. Step 2: Convert to fraction form
    25,774.33/38,650.57 = 9,138.55/x
  3. Step 3: Cross multiply
    25,774.33x = 38,650.57 × 9,138.55
  4. Step 4: Simplify right side
    25,774.33x = 353,210,166.47
  5. Step 5: Solve for x
    x = 353,210,166.47/25,774.33
  6. Step 6: Final answer
    x = 13,703.95

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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.