Home / 25,250.34-37,876.05-7,720.18

Finding the Fourth Proportional to 25,250.34, 37,876.05 and 7,720.18

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Solution

The fourth proportional to 25,250.34, 37,876.05 and 7,720.18 is: 11,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,250.34 : 37,876.05 = 7,720.18 : x
  2. Step 2: Convert to fraction form
    25,250.34/37,876.05 = 7,720.18/x
  3. Step 3: Cross multiply
    25,250.34x = 37,876.05 × 7,720.18
  4. Step 4: Simplify right side
    25,250.34x = 292,409,923.69
  5. Step 5: Solve for x
    x = 292,409,923.69/25,250.34
  6. Step 6: Final answer
    x = 11,580.44

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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.