Home / 25,425.72-38,138.81-10,441.08

Finding the Fourth Proportional to 25,425.72, 38,138.81 and 10,441.08

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Solution

The fourth proportional to 25,425.72, 38,138.81 and 10,441.08 is: 15,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,425.72 : 38,138.81 = 10,441.08 : x
  2. Step 2: Convert to fraction form
    25,425.72/38,138.81 = 10,441.08/x
  3. Step 3: Cross multiply
    25,425.72x = 38,138.81 × 10,441.08
  4. Step 4: Simplify right side
    25,425.72x = 398,210,314.11
  5. Step 5: Solve for x
    x = 398,210,314.11/25,425.72
  6. Step 6: Final answer
    x = 15,661.71

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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.