Home / 25,770.04-35,567.70-15,168.76

Finding the Fourth Proportional to 25,770.04, 35,567.70 and 15,168.76

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Solution

The fourth proportional to 25,770.04, 35,567.70 and 15,168.76 is: 20,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,770.04 : 35,567.70 = 15,168.76 : x
  2. Step 2: Convert to fraction form
    25,770.04/35,567.70 = 15,168.76/x
  3. Step 3: Cross multiply
    25,770.04x = 35,567.70 × 15,168.76
  4. Step 4: Simplify right side
    25,770.04x = 539,517,905.05
  5. Step 5: Solve for x
    x = 539,517,905.05/25,770.04
  6. Step 6: Final answer
    x = 20,935.86

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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.