Home / 18,338.34-25,307.18-9,954.84

Finding the Fourth Proportional to 18,338.34, 25,307.18 and 9,954.84

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Solution

The fourth proportional to 18,338.34, 25,307.18 and 9,954.84 is: 13,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.34 : 25,307.18 = 9,954.84 : x
  2. Step 2: Convert to fraction form
    18,338.34/25,307.18 = 9,954.84/x
  3. Step 3: Cross multiply
    18,338.34x = 25,307.18 × 9,954.84
  4. Step 4: Simplify right side
    18,338.34x = 251,928,927.75
  5. Step 5: Solve for x
    x = 251,928,927.75/18,338.34
  6. Step 6: Final answer
    x = 13,737.83

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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.