Home / 25,439.92-35,106.60-14,109.36

Finding the Fourth Proportional to 25,439.92, 35,106.60 and 14,109.36

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Solution

The fourth proportional to 25,439.92, 35,106.60 and 14,109.36 is: 19,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.92 : 35,106.60 = 14,109.36 : x
  2. Step 2: Convert to fraction form
    25,439.92/35,106.60 = 14,109.36/x
  3. Step 3: Cross multiply
    25,439.92x = 35,106.60 × 14,109.36
  4. Step 4: Simplify right side
    25,439.92x = 495,331,657.78
  5. Step 5: Solve for x
    x = 495,331,657.78/25,439.92
  6. Step 6: Final answer
    x = 19,470.65

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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.