Home / 18,400.47-25,383.02-10,736.79

Finding the Fourth Proportional to 18,400.47, 25,383.02 and 10,736.79

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Solution

The fourth proportional to 18,400.47, 25,383.02 and 10,736.79 is: 14,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.47 : 25,383.02 = 10,736.79 : x
  2. Step 2: Convert to fraction form
    18,400.47/25,383.02 = 10,736.79/x
  3. Step 3: Cross multiply
    18,400.47x = 25,383.02 × 10,736.79
  4. Step 4: Simplify right side
    18,400.47x = 272,532,101.62
  5. Step 5: Solve for x
    x = 272,532,101.62/18,400.47
  6. Step 6: Final answer
    x = 14,811.15

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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.