Home / 18,182.02-25,106.25-11,478.82

Finding the Fourth Proportional to 18,182.02, 25,106.25 and 11,478.82

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Solution

The fourth proportional to 18,182.02, 25,106.25 and 11,478.82 is: 15,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.02 : 25,106.25 = 11,478.82 : x
  2. Step 2: Convert to fraction form
    18,182.02/25,106.25 = 11,478.82/x
  3. Step 3: Cross multiply
    18,182.02x = 25,106.25 × 11,478.82
  4. Step 4: Simplify right side
    18,182.02x = 288,190,124.63
  5. Step 5: Solve for x
    x = 288,190,124.63/18,182.02
  6. Step 6: Final answer
    x = 15,850.28

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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.