Home / 18,155.09-25,055.25-10,089.68

Finding the Fourth Proportional to 18,155.09, 25,055.25 and 10,089.68

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Solution

The fourth proportional to 18,155.09, 25,055.25 and 10,089.68 is: 13,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.09 : 25,055.25 = 10,089.68 : x
  2. Step 2: Convert to fraction form
    18,155.09/25,055.25 = 10,089.68/x
  3. Step 3: Cross multiply
    18,155.09x = 25,055.25 × 10,089.68
  4. Step 4: Simplify right side
    18,155.09x = 252,799,454.82
  5. Step 5: Solve for x
    x = 252,799,454.82/18,155.09
  6. Step 6: Final answer
    x = 13,924.44

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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.