Home / 18,308.36-25,264.86-9,924.68

Finding the Fourth Proportional to 18,308.36, 25,264.86 and 9,924.68

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Solution

The fourth proportional to 18,308.36, 25,264.86 and 9,924.68 is: 13,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.36 : 25,264.86 = 9,924.68 : x
  2. Step 2: Convert to fraction form
    18,308.36/25,264.86 = 9,924.68/x
  3. Step 3: Cross multiply
    18,308.36x = 25,264.86 × 9,924.68
  4. Step 4: Simplify right side
    18,308.36x = 250,745,650.74
  5. Step 5: Solve for x
    x = 250,745,650.74/18,308.36
  6. Step 6: Final answer
    x = 13,695.69

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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.