Home / 18,582.18-25,645.19-10,622.90

Finding the Fourth Proportional to 18,582.18, 25,645.19 and 10,622.90

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Solution

The fourth proportional to 18,582.18, 25,645.19 and 10,622.90 is: 14,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.18 : 25,645.19 = 10,622.90 : x
  2. Step 2: Convert to fraction form
    18,582.18/25,645.19 = 10,622.90/x
  3. Step 3: Cross multiply
    18,582.18x = 25,645.19 × 10,622.90
  4. Step 4: Simplify right side
    18,582.18x = 272,426,107.51
  5. Step 5: Solve for x
    x = 272,426,107.51/18,582.18
  6. Step 6: Final answer
    x = 14,660.61

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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.