Home / 18,500.97-25,534.36-13,752.45

Finding the Fourth Proportional to 18,500.97, 25,534.36 and 13,752.45

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Solution

The fourth proportional to 18,500.97, 25,534.36 and 13,752.45 is: 18,980.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.97 : 25,534.36 = 13,752.45 : x
  2. Step 2: Convert to fraction form
    18,500.97/25,534.36 = 13,752.45/x
  3. Step 3: Cross multiply
    18,500.97x = 25,534.36 × 13,752.45
  4. Step 4: Simplify right side
    18,500.97x = 351,160,009.18
  5. Step 5: Solve for x
    x = 351,160,009.18/18,500.97
  6. Step 6: Final answer
    x = 18,980.63

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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.