Home / 23,748.14-32,772.43-13,137.78

Finding the Fourth Proportional to 23,748.14, 32,772.43 and 13,137.78

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Solution

The fourth proportional to 23,748.14, 32,772.43 and 13,137.78 is: 18,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,748.14 : 32,772.43 = 13,137.78 : x
  2. Step 2: Convert to fraction form
    23,748.14/32,772.43 = 13,137.78/x
  3. Step 3: Cross multiply
    23,748.14x = 32,772.43 × 13,137.78
  4. Step 4: Simplify right side
    23,748.14x = 430,556,975.41
  5. Step 5: Solve for x
    x = 430,556,975.41/23,748.14
  6. Step 6: Final answer
    x = 18,130.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.