Home / 25,440.44-35,107.16-14,109.78

Finding the Fourth Proportional to 25,440.44, 35,107.16 and 14,109.78

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Solution

The fourth proportional to 25,440.44, 35,107.16 and 14,109.78 is: 19,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,440.44 : 35,107.16 = 14,109.78 : x
  2. Step 2: Convert to fraction form
    25,440.44/35,107.16 = 14,109.78/x
  3. Step 3: Cross multiply
    25,440.44x = 35,107.16 × 14,109.78
  4. Step 4: Simplify right side
    25,440.44x = 495,354,304.02
  5. Step 5: Solve for x
    x = 495,354,304.02/25,440.44
  6. Step 6: Final answer
    x = 19,471.14

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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.