Home / 25,341.28-38,028.24-13,662.64

Finding the Fourth Proportional to 25,341.28, 38,028.24 and 13,662.64

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Solution

The fourth proportional to 25,341.28, 38,028.24 and 13,662.64 is: 20,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,341.28 : 38,028.24 = 13,662.64 : x
  2. Step 2: Convert to fraction form
    25,341.28/38,028.24 = 13,662.64/x
  3. Step 3: Cross multiply
    25,341.28x = 38,028.24 × 13,662.64
  4. Step 4: Simplify right side
    25,341.28x = 519,566,152.95
  5. Step 5: Solve for x
    x = 519,566,152.95/25,341.28
  6. Step 6: Final answer
    x = 20,502.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.