Home / 25,172.76-37,750.47-11,123.31

Finding the Fourth Proportional to 25,172.76, 37,750.47 and 11,123.31

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Solution

The fourth proportional to 25,172.76, 37,750.47 and 11,123.31 is: 16,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,172.76 : 37,750.47 = 11,123.31 : x
  2. Step 2: Convert to fraction form
    25,172.76/37,750.47 = 11,123.31/x
  3. Step 3: Cross multiply
    25,172.76x = 37,750.47 × 11,123.31
  4. Step 4: Simplify right side
    25,172.76x = 419,910,180.46
  5. Step 5: Solve for x
    x = 419,910,180.46/25,172.76
  6. Step 6: Final answer
    x = 16,681.13

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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.