Home / 25,819.35-35,635.04-15,206.93

Finding the Fourth Proportional to 25,819.35, 35,635.04 and 15,206.93

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Solution

The fourth proportional to 25,819.35, 35,635.04 and 15,206.93 is: 20,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.35 : 35,635.04 = 15,206.93 : x
  2. Step 2: Convert to fraction form
    25,819.35/35,635.04 = 15,206.93/x
  3. Step 3: Cross multiply
    25,819.35x = 35,635.04 × 15,206.93
  4. Step 4: Simplify right side
    25,819.35x = 541,899,558.83
  5. Step 5: Solve for x
    x = 541,899,558.83/25,819.35
  6. Step 6: Final answer
    x = 20,988.12

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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.