Home / 55,115.02-82,685.55-15,672.49

Finding the Fourth Proportional to 55,115.02, 82,685.55 and 15,672.49

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Solution

The fourth proportional to 55,115.02, 82,685.55 and 15,672.49 is: 23,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,115.02 : 82,685.55 = 15,672.49 : x
  2. Step 2: Convert to fraction form
    55,115.02/82,685.55 = 15,672.49/x
  3. Step 3: Cross multiply
    55,115.02x = 82,685.55 × 15,672.49
  4. Step 4: Simplify right side
    55,115.02x = 1,295,888,455.52
  5. Step 5: Solve for x
    x = 1,295,888,455.52/55,115.02
  6. Step 6: Final answer
    x = 23,512.44

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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.