Home / 25,462.75-35,138.60-15,526.75

Finding the Fourth Proportional to 25,462.75, 35,138.60 and 15,526.75

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Solution

The fourth proportional to 25,462.75, 35,138.60 and 15,526.75 is: 21,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,462.75 : 35,138.60 = 15,526.75 : x
  2. Step 2: Convert to fraction form
    25,462.75/35,138.60 = 15,526.75/x
  3. Step 3: Cross multiply
    25,462.75x = 35,138.60 × 15,526.75
  4. Step 4: Simplify right side
    25,462.75x = 545,588,257.55
  5. Step 5: Solve for x
    x = 545,588,257.55/25,462.75
  6. Step 6: Final answer
    x = 21,426.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.