Home / 25,870.12-38,799.42-10,283.56

Finding the Fourth Proportional to 25,870.12, 38,799.42 and 10,283.56

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Solution

The fourth proportional to 25,870.12, 38,799.42 and 10,283.56 is: 15,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,870.12 : 38,799.42 = 10,283.56 : x
  2. Step 2: Convert to fraction form
    25,870.12/38,799.42 = 10,283.56/x
  3. Step 3: Cross multiply
    25,870.12x = 38,799.42 × 10,283.56
  4. Step 4: Simplify right side
    25,870.12x = 398,996,163.54
  5. Step 5: Solve for x
    x = 398,996,163.54/25,870.12
  6. Step 6: Final answer
    x = 15,423.05

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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.