Home / 25,515.18-35,191.31-22,646.87

Finding the Fourth Proportional to 25,515.18, 35,191.31 and 22,646.87

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Solution

The fourth proportional to 25,515.18, 35,191.31 and 22,646.87 is: 31,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.18 : 35,191.31 = 22,646.87 : x
  2. Step 2: Convert to fraction form
    25,515.18/35,191.31 = 22,646.87/x
  3. Step 3: Cross multiply
    25,515.18x = 35,191.31 × 22,646.87
  4. Step 4: Simplify right side
    25,515.18x = 796,972,903.36
  5. Step 5: Solve for x
    x = 796,972,903.36/25,515.18
  6. Step 6: Final answer
    x = 31,235.25

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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.