Home / 18,180.89-25,089.47-10,223.14

Finding the Fourth Proportional to 18,180.89, 25,089.47 and 10,223.14

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Solution

The fourth proportional to 18,180.89, 25,089.47 and 10,223.14 is: 14,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.89 : 25,089.47 = 10,223.14 : x
  2. Step 2: Convert to fraction form
    18,180.89/25,089.47 = 10,223.14/x
  3. Step 3: Cross multiply
    18,180.89x = 25,089.47 × 10,223.14
  4. Step 4: Simplify right side
    18,180.89x = 256,493,164.34
  5. Step 5: Solve for x
    x = 256,493,164.34/18,180.89
  6. Step 6: Final answer
    x = 14,107.84

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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.