Home / 25,040.28-34,555.30-13,709.64

Finding the Fourth Proportional to 25,040.28, 34,555.30 and 13,709.64

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Solution

The fourth proportional to 25,040.28, 34,555.30 and 13,709.64 is: 18,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,040.28 : 34,555.30 = 13,709.64 : x
  2. Step 2: Convert to fraction form
    25,040.28/34,555.30 = 13,709.64/x
  3. Step 3: Cross multiply
    25,040.28x = 34,555.30 × 13,709.64
  4. Step 4: Simplify right side
    25,040.28x = 473,740,723.09
  5. Step 5: Solve for x
    x = 473,740,723.09/25,040.28
  6. Step 6: Final answer
    x = 18,919.15

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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.