Home / 25,445.96-35,115.40-14,117.18

Finding the Fourth Proportional to 25,445.96, 35,115.40 and 14,117.18

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Solution

The fourth proportional to 25,445.96, 35,115.40 and 14,117.18 is: 19,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.96 : 35,115.40 = 14,117.18 : x
  2. Step 2: Convert to fraction form
    25,445.96/35,115.40 = 14,117.18/x
  3. Step 3: Cross multiply
    25,445.96x = 35,115.40 × 14,117.18
  4. Step 4: Simplify right side
    25,445.96x = 495,730,323.70
  5. Step 5: Solve for x
    x = 495,730,323.70/25,445.96
  6. Step 6: Final answer
    x = 19,481.69

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Half scale
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Double scale
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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.