Home / 25,704.25-35,457.08-15,091.83

Finding the Fourth Proportional to 25,704.25, 35,457.08 and 15,091.83

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Solution

The fourth proportional to 25,704.25, 35,457.08 and 15,091.83 is: 20,818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,704.25 : 35,457.08 = 15,091.83 : x
  2. Step 2: Convert to fraction form
    25,704.25/35,457.08 = 15,091.83/x
  3. Step 3: Cross multiply
    25,704.25x = 35,457.08 × 15,091.83
  4. Step 4: Simplify right side
    25,704.25x = 535,112,148.20
  5. Step 5: Solve for x
    x = 535,112,148.20/25,704.25
  6. Step 6: Final answer
    x = 20,818.04

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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.