Home / 25,219.20-37,853.10-21,525.60

Finding the Fourth Proportional to 25,219.20, 37,853.10 and 21,525.60

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Solution

The fourth proportional to 25,219.20, 37,853.10 and 21,525.60 is: 32,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,219.20 : 37,853.10 = 21,525.60 : x
  2. Step 2: Convert to fraction form
    25,219.20/37,853.10 = 21,525.60/x
  3. Step 3: Cross multiply
    25,219.20x = 37,853.10 × 21,525.60
  4. Step 4: Simplify right side
    25,219.20x = 814,810,689.36
  5. Step 5: Solve for x
    x = 814,810,689.36/25,219.20
  6. Step 6: Final answer
    x = 32,309.14

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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.