Home / 18,648.37-25,736.61-13,924.45

Finding the Fourth Proportional to 18,648.37, 25,736.61 and 13,924.45

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Solution

The fourth proportional to 18,648.37, 25,736.61 and 13,924.45 is: 19,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.37 : 25,736.61 = 13,924.45 : x
  2. Step 2: Convert to fraction form
    18,648.37/25,736.61 = 13,924.45/x
  3. Step 3: Cross multiply
    18,648.37x = 25,736.61 × 13,924.45
  4. Step 4: Simplify right side
    18,648.37x = 358,368,139.11
  5. Step 5: Solve for x
    x = 358,368,139.11/18,648.37
  6. Step 6: Final answer
    x = 19,217.13

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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.