Home / 18,281.94-25,229.08-9,898.44

Finding the Fourth Proportional to 18,281.94, 25,229.08 and 9,898.44

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Solution

The fourth proportional to 18,281.94, 25,229.08 and 9,898.44 is: 13,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.94 : 25,229.08 = 9,898.44 : x
  2. Step 2: Convert to fraction form
    18,281.94/25,229.08 = 9,898.44/x
  3. Step 3: Cross multiply
    18,281.94x = 25,229.08 × 9,898.44
  4. Step 4: Simplify right side
    18,281.94x = 249,728,534.64
  5. Step 5: Solve for x
    x = 249,728,534.64/18,281.94
  6. Step 6: Final answer
    x = 13,659.85

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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.