Home / 18,122.36-25,008.76-10,055.94

Finding the Fourth Proportional to 18,122.36, 25,008.76 and 10,055.94

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Solution

The fourth proportional to 18,122.36, 25,008.76 and 10,055.94 is: 13,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.36 : 25,008.76 = 10,055.94 : x
  2. Step 2: Convert to fraction form
    18,122.36/25,008.76 = 10,055.94/x
  3. Step 3: Cross multiply
    18,122.36x = 25,008.76 × 10,055.94
  4. Step 4: Simplify right side
    18,122.36x = 251,486,590.03
  5. Step 5: Solve for x
    x = 251,486,590.03/18,122.36
  6. Step 6: Final answer
    x = 13,877.14

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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.