Home / 18,296.13-25,248.60-9,912.63

Finding the Fourth Proportional to 18,296.13, 25,248.60 and 9,912.63

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Solution

The fourth proportional to 18,296.13, 25,248.60 and 9,912.63 is: 13,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.13 : 25,248.60 = 9,912.63 : x
  2. Step 2: Convert to fraction form
    18,296.13/25,248.60 = 9,912.63/x
  3. Step 3: Cross multiply
    18,296.13x = 25,248.60 × 9,912.63
  4. Step 4: Simplify right side
    18,296.13x = 250,280,029.82
  5. Step 5: Solve for x
    x = 250,280,029.82/18,296.13
  6. Step 6: Final answer
    x = 13,679.40

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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.