Home / 18,209.19-25,053.54-14,223.39

Finding the Fourth Proportional to 18,209.19, 25,053.54 and 14,223.39

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Solution

The fourth proportional to 18,209.19, 25,053.54 and 14,223.39 is: 19,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.19 : 25,053.54 = 14,223.39 : x
  2. Step 2: Convert to fraction form
    18,209.19/25,053.54 = 14,223.39/x
  3. Step 3: Cross multiply
    18,209.19x = 25,053.54 × 14,223.39
  4. Step 4: Simplify right side
    18,209.19x = 356,346,270.30
  5. Step 5: Solve for x
    x = 356,346,270.30/18,209.19
  6. Step 6: Final answer
    x = 19,569.58

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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.