Home / 25,693.56-35,451.18-15,082.68

Finding the Fourth Proportional to 25,693.56, 35,451.18 and 15,082.68

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Solution

The fourth proportional to 25,693.56, 35,451.18 and 15,082.68 is: 20,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.56 : 35,451.18 = 15,082.68 : x
  2. Step 2: Convert to fraction form
    25,693.56/35,451.18 = 15,082.68/x
  3. Step 3: Cross multiply
    25,693.56x = 35,451.18 × 15,082.68
  4. Step 4: Simplify right side
    25,693.56x = 534,698,803.56
  5. Step 5: Solve for x
    x = 534,698,803.56/25,693.56
  6. Step 6: Final answer
    x = 20,810.62

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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.