Home / 18,119.33-25,005.71-10,160.93

Finding the Fourth Proportional to 18,119.33, 25,005.71 and 10,160.93

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Solution

The fourth proportional to 18,119.33, 25,005.71 and 10,160.93 is: 14,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.33 : 25,005.71 = 10,160.93 : x
  2. Step 2: Convert to fraction form
    18,119.33/25,005.71 = 10,160.93/x
  3. Step 3: Cross multiply
    18,119.33x = 25,005.71 × 10,160.93
  4. Step 4: Simplify right side
    18,119.33x = 254,081,216.17
  5. Step 5: Solve for x
    x = 254,081,216.17/18,119.33
  6. Step 6: Final answer
    x = 14,022.66

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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.