Home / 18,722.66-25,836.88-10,224.45

Finding the Fourth Proportional to 18,722.66, 25,836.88 and 10,224.45

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Solution

The fourth proportional to 18,722.66, 25,836.88 and 10,224.45 is: 14,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.66 : 25,836.88 = 10,224.45 : x
  2. Step 2: Convert to fraction form
    18,722.66/25,836.88 = 10,224.45/x
  3. Step 3: Cross multiply
    18,722.66x = 25,836.88 × 10,224.45
  4. Step 4: Simplify right side
    18,722.66x = 264,167,887.72
  5. Step 5: Solve for x
    x = 264,167,887.72/18,722.66
  6. Step 6: Final answer
    x = 14,109.53

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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.