Home / 25,870.92-35,693.84-15,108.03

Finding the Fourth Proportional to 25,870.92, 35,693.84 and 15,108.03

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Solution

The fourth proportional to 25,870.92, 35,693.84 and 15,108.03 is: 20,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,870.92 : 35,693.84 = 15,108.03 : x
  2. Step 2: Convert to fraction form
    25,870.92/35,693.84 = 15,108.03/x
  3. Step 3: Cross multiply
    25,870.92x = 35,693.84 × 15,108.03
  4. Step 4: Simplify right side
    25,870.92x = 539,263,500.43
  5. Step 5: Solve for x
    x = 539,263,500.43/25,870.92
  6. Step 6: Final answer
    x = 20,844.39

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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.