Home / 25,135.68-37,632.12-19,205.64

Finding the Fourth Proportional to 25,135.68, 37,632.12 and 19,205.64

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Solution

The fourth proportional to 25,135.68, 37,632.12 and 19,205.64 is: 28,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,135.68 : 37,632.12 = 19,205.64 : x
  2. Step 2: Convert to fraction form
    25,135.68/37,632.12 = 19,205.64/x
  3. Step 3: Cross multiply
    25,135.68x = 37,632.12 × 19,205.64
  4. Step 4: Simplify right side
    25,135.68x = 722,748,949.16
  5. Step 5: Solve for x
    x = 722,748,949.16/25,135.68
  6. Step 6: Final answer
    x = 28,753.90

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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.