Home / 25,240.50-37,876.95-11,389.50

Finding the Fourth Proportional to 25,240.50, 37,876.95 and 11,389.50

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Solution

The fourth proportional to 25,240.50, 37,876.95 and 11,389.50 is: 17,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240.50 : 37,876.95 = 11,389.50 : x
  2. Step 2: Convert to fraction form
    25,240.50/37,876.95 = 11,389.50/x
  3. Step 3: Cross multiply
    25,240.50x = 37,876.95 × 11,389.50
  4. Step 4: Simplify right side
    25,240.50x = 431,399,522.03
  5. Step 5: Solve for x
    x = 431,399,522.03/25,240.50
  6. Step 6: Final answer
    x = 17,091.56

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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.