Home / 25,407.68-35,063.85-15,335.96

Finding the Fourth Proportional to 25,407.68, 35,063.85 and 15,335.96

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Solution

The fourth proportional to 25,407.68, 35,063.85 and 15,335.96 is: 21,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.68 : 35,063.85 = 15,335.96 : x
  2. Step 2: Convert to fraction form
    25,407.68/35,063.85 = 15,335.96/x
  3. Step 3: Cross multiply
    25,407.68x = 35,063.85 × 15,335.96
  4. Step 4: Simplify right side
    25,407.68x = 537,737,801.05
  5. Step 5: Solve for x
    x = 537,737,801.05/25,407.68
  6. Step 6: Final answer
    x = 21,164.38

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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.