Home / 18,448.25-25,458.68-10,065.29

Finding the Fourth Proportional to 18,448.25, 25,458.68 and 10,065.29

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Solution

The fourth proportional to 18,448.25, 25,458.68 and 10,065.29 is: 13,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.25 : 25,458.68 = 10,065.29 : x
  2. Step 2: Convert to fraction form
    18,448.25/25,458.68 = 10,065.29/x
  3. Step 3: Cross multiply
    18,448.25x = 25,458.68 × 10,065.29
  4. Step 4: Simplify right side
    18,448.25x = 256,248,997.22
  5. Step 5: Solve for x
    x = 256,248,997.22/18,448.25
  6. Step 6: Final answer
    x = 13,890.15

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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.