Home / 25,704.81-35,457.85-15,092.39

Finding the Fourth Proportional to 25,704.81, 35,457.85 and 15,092.39

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Solution

The fourth proportional to 25,704.81, 35,457.85 and 15,092.39 is: 20,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,704.81 : 35,457.85 = 15,092.39 : x
  2. Step 2: Convert to fraction form
    25,704.81/35,457.85 = 15,092.39/x
  3. Step 3: Cross multiply
    25,704.81x = 35,457.85 × 15,092.39
  4. Step 4: Simplify right side
    25,704.81x = 535,143,808.27
  5. Step 5: Solve for x
    x = 535,143,808.27/25,704.81
  6. Step 6: Final answer
    x = 20,818.82

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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.