Home / 25,256.70-37,888.70-7,727.90

Finding the Fourth Proportional to 25,256.70, 37,888.70 and 7,727.90

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Solution

The fourth proportional to 25,256.70, 37,888.70 and 7,727.90 is: 11,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,256.70 : 37,888.70 = 7,727.90 : x
  2. Step 2: Convert to fraction form
    25,256.70/37,888.70 = 7,727.90/x
  3. Step 3: Cross multiply
    25,256.70x = 37,888.70 × 7,727.90
  4. Step 4: Simplify right side
    25,256.70x = 292,799,856.65
  5. Step 5: Solve for x
    x = 292,799,856.65/25,256.70
  6. Step 6: Final answer
    x = 11,592.96

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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.