Home / 18,259.30-25,197.96-11,547.82

Finding the Fourth Proportional to 18,259.30, 25,197.96 and 11,547.82

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Solution

The fourth proportional to 18,259.30, 25,197.96 and 11,547.82 is: 15,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.30 : 25,197.96 = 11,547.82 : x
  2. Step 2: Convert to fraction form
    18,259.30/25,197.96 = 11,547.82/x
  3. Step 3: Cross multiply
    18,259.30x = 25,197.96 × 11,547.82
  4. Step 4: Simplify right side
    18,259.30x = 290,981,506.45
  5. Step 5: Solve for x
    x = 290,981,506.45/18,259.30
  6. Step 6: Final answer
    x = 15,936.07

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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.