Home / 18,142.49-25,036.21-10,184.51

Finding the Fourth Proportional to 18,142.49, 25,036.21 and 10,184.51

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Solution

The fourth proportional to 18,142.49, 25,036.21 and 10,184.51 is: 14,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.49 : 25,036.21 = 10,184.51 : x
  2. Step 2: Convert to fraction form
    18,142.49/25,036.21 = 10,184.51/x
  3. Step 3: Cross multiply
    18,142.49x = 25,036.21 × 10,184.51
  4. Step 4: Simplify right side
    18,142.49x = 254,981,531.11
  5. Step 5: Solve for x
    x = 254,981,531.11/18,142.49
  6. Step 6: Final answer
    x = 14,054.38

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Half scale
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Double scale
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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.