Home / 18,308.88-25,266.20-9,925.38

Finding the Fourth Proportional to 18,308.88, 25,266.20 and 9,925.38

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Solution

The fourth proportional to 18,308.88, 25,266.20 and 9,925.38 is: 13,696.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.88 : 25,266.20 = 9,925.38 : x
  2. Step 2: Convert to fraction form
    18,308.88/25,266.20 = 9,925.38/x
  3. Step 3: Cross multiply
    18,308.88x = 25,266.20 × 9,925.38
  4. Step 4: Simplify right side
    18,308.88x = 250,776,586.53
  5. Step 5: Solve for x
    x = 250,776,586.53/18,308.88
  6. Step 6: Final answer
    x = 13,696.99

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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.