Home / 25,367.40-35,015.14-17,815.56

Finding the Fourth Proportional to 25,367.40, 35,015.14 and 17,815.56

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Solution

The fourth proportional to 25,367.40, 35,015.14 and 17,815.56 is: 24,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,367.40 : 35,015.14 = 17,815.56 : x
  2. Step 2: Convert to fraction form
    25,367.40/35,015.14 = 17,815.56/x
  3. Step 3: Cross multiply
    25,367.40x = 35,015.14 × 17,815.56
  4. Step 4: Simplify right side
    25,367.40x = 623,814,327.58
  5. Step 5: Solve for x
    x = 623,814,327.58/25,367.40
  6. Step 6: Final answer
    x = 24,591.18

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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.