Home / 25,331.19-37,995.87-7,800.57

Finding the Fourth Proportional to 25,331.19, 37,995.87 and 7,800.57

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Solution

The fourth proportional to 25,331.19, 37,995.87 and 7,800.57 is: 11,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.19 : 37,995.87 = 7,800.57 : x
  2. Step 2: Convert to fraction form
    25,331.19/37,995.87 = 7,800.57/x
  3. Step 3: Cross multiply
    25,331.19x = 37,995.87 × 7,800.57
  4. Step 4: Simplify right side
    25,331.19x = 296,389,443.65
  5. Step 5: Solve for x
    x = 296,389,443.65/25,331.19
  6. Step 6: Final answer
    x = 11,700.57

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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.