Home / 18,308.13-25,265.16-9,924.63

Finding the Fourth Proportional to 18,308.13, 25,265.16 and 9,924.63

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Solution

The fourth proportional to 18,308.13, 25,265.16 and 9,924.63 is: 13,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.13 : 25,265.16 = 9,924.63 : x
  2. Step 2: Convert to fraction form
    18,308.13/25,265.16 = 9,924.63/x
  3. Step 3: Cross multiply
    18,308.13x = 25,265.16 × 9,924.63
  4. Step 4: Simplify right side
    18,308.13x = 250,747,364.89
  5. Step 5: Solve for x
    x = 250,747,364.89/18,308.13
  6. Step 6: Final answer
    x = 13,695.96

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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.