Home / 25,155.27-37,731.78-7,385.22

Finding the Fourth Proportional to 25,155.27, 37,731.78 and 7,385.22

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Solution

The fourth proportional to 25,155.27, 37,731.78 and 7,385.22 is: 11,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.27 : 37,731.78 = 7,385.22 : x
  2. Step 2: Convert to fraction form
    25,155.27/37,731.78 = 7,385.22/x
  3. Step 3: Cross multiply
    25,155.27x = 37,731.78 × 7,385.22
  4. Step 4: Simplify right side
    25,155.27x = 278,657,496.29
  5. Step 5: Solve for x
    x = 278,657,496.29/25,155.27
  6. Step 6: Final answer
    x = 11,077.50

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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.