Home / 25,446.25-35,107.43-15,370.86

Finding the Fourth Proportional to 25,446.25, 35,107.43 and 15,370.86

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Solution

The fourth proportional to 25,446.25, 35,107.43 and 15,370.86 is: 21,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.25 : 35,107.43 = 15,370.86 : x
  2. Step 2: Convert to fraction form
    25,446.25/35,107.43 = 15,370.86/x
  3. Step 3: Cross multiply
    25,446.25x = 35,107.43 × 15,370.86
  4. Step 4: Simplify right side
    25,446.25x = 539,631,446.29
  5. Step 5: Solve for x
    x = 539,631,446.29/25,446.25
  6. Step 6: Final answer
    x = 21,206.72

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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.