Home / 18,294.64-25,246.68-9,911.16

Finding the Fourth Proportional to 18,294.64, 25,246.68 and 9,911.16

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Solution

The fourth proportional to 18,294.64, 25,246.68 and 9,911.16 is: 13,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.64 : 25,246.68 = 9,911.16 : x
  2. Step 2: Convert to fraction form
    18,294.64/25,246.68 = 9,911.16/x
  3. Step 3: Cross multiply
    18,294.64x = 25,246.68 × 9,911.16
  4. Step 4: Simplify right side
    18,294.64x = 250,223,884.95
  5. Step 5: Solve for x
    x = 250,223,884.95/18,294.64
  6. Step 6: Final answer
    x = 13,677.44

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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.