Home / 18,294.47-25,247.54-11,219.93

Finding the Fourth Proportional to 18,294.47, 25,247.54 and 11,219.93

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Solution

The fourth proportional to 18,294.47, 25,247.54 and 11,219.93 is: 15,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.47 : 25,247.54 = 11,219.93 : x
  2. Step 2: Convert to fraction form
    18,294.47/25,247.54 = 11,219.93/x
  3. Step 3: Cross multiply
    18,294.47x = 25,247.54 × 11,219.93
  4. Step 4: Simplify right side
    18,294.47x = 283,275,575.37
  5. Step 5: Solve for x
    x = 283,275,575.37/18,294.47
  6. Step 6: Final answer
    x = 15,484.22

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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.