Home / 25,719.88-35,493.78-14,542.12

Finding the Fourth Proportional to 25,719.88, 35,493.78 and 14,542.12

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Solution

The fourth proportional to 25,719.88, 35,493.78 and 14,542.12 is: 20,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.88 : 35,493.78 = 14,542.12 : x
  2. Step 2: Convert to fraction form
    25,719.88/35,493.78 = 14,542.12/x
  3. Step 3: Cross multiply
    25,719.88x = 35,493.78 × 14,542.12
  4. Step 4: Simplify right side
    25,719.88x = 516,154,808.01
  5. Step 5: Solve for x
    x = 516,154,808.01/25,719.88
  6. Step 6: Final answer
    x = 20,068.32

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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.