Home / 25,913.20-35,764.08-15,847.60

Finding the Fourth Proportional to 25,913.20, 35,764.08 and 15,847.60

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Solution

The fourth proportional to 25,913.20, 35,764.08 and 15,847.60 is: 21,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913.20 : 35,764.08 = 15,847.60 : x
  2. Step 2: Convert to fraction form
    25,913.20/35,764.08 = 15,847.60/x
  3. Step 3: Cross multiply
    25,913.20x = 35,764.08 × 15,847.60
  4. Step 4: Simplify right side
    25,913.20x = 566,774,834.21
  5. Step 5: Solve for x
    x = 566,774,834.21/25,913.20
  6. Step 6: Final answer
    x = 21,872.05

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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.