Home / 18,622.36-25,689.72-11,552.68

Finding the Fourth Proportional to 18,622.36, 25,689.72 and 11,552.68

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Solution

The fourth proportional to 18,622.36, 25,689.72 and 11,552.68 is: 15,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.36 : 25,689.72 = 11,552.68 : x
  2. Step 2: Convert to fraction form
    18,622.36/25,689.72 = 11,552.68/x
  3. Step 3: Cross multiply
    18,622.36x = 25,689.72 × 11,552.68
  4. Step 4: Simplify right side
    18,622.36x = 296,785,114.45
  5. Step 5: Solve for x
    x = 296,785,114.45/18,622.36
  6. Step 6: Final answer
    x = 15,937.03

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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.