Home / 25,899.75-35,751.33-15,148.08

Finding the Fourth Proportional to 25,899.75, 35,751.33 and 15,148.08

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Solution

The fourth proportional to 25,899.75, 35,751.33 and 15,148.08 is: 20,910.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899.75 : 35,751.33 = 15,148.08 : x
  2. Step 2: Convert to fraction form
    25,899.75/35,751.33 = 15,148.08/x
  3. Step 3: Cross multiply
    25,899.75x = 35,751.33 × 15,148.08
  4. Step 4: Simplify right side
    25,899.75x = 541,564,006.95
  5. Step 5: Solve for x
    x = 541,564,006.95/25,899.75
  6. Step 6: Final answer
    x = 20,910.01

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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.