Home / 25,742.14-38,615.55-9,100.42

Finding the Fourth Proportional to 25,742.14, 38,615.55 and 9,100.42

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Solution

The fourth proportional to 25,742.14, 38,615.55 and 9,100.42 is: 13,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,742.14 : 38,615.55 = 9,100.42 : x
  2. Step 2: Convert to fraction form
    25,742.14/38,615.55 = 9,100.42/x
  3. Step 3: Cross multiply
    25,742.14x = 38,615.55 × 9,100.42
  4. Step 4: Simplify right side
    25,742.14x = 351,417,723.53
  5. Step 5: Solve for x
    x = 351,417,723.53/25,742.14
  6. Step 6: Final answer
    x = 13,651.46

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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.