Home / 25,746.15-35,532.68-15,680.49

Finding the Fourth Proportional to 25,746.15, 35,532.68 and 15,680.49

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Solution

The fourth proportional to 25,746.15, 35,532.68 and 15,680.49 is: 21,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,746.15 : 35,532.68 = 15,680.49 : x
  2. Step 2: Convert to fraction form
    25,746.15/35,532.68 = 15,680.49/x
  3. Step 3: Cross multiply
    25,746.15x = 35,532.68 × 15,680.49
  4. Step 4: Simplify right side
    25,746.15x = 557,169,833.41
  5. Step 5: Solve for x
    x = 557,169,833.41/25,746.15
  6. Step 6: Final answer
    x = 21,640.90

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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.