Home / 18,582.22-25,626.51-12,206.26

Finding the Fourth Proportional to 18,582.22, 25,626.51 and 12,206.26

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Solution

The fourth proportional to 18,582.22, 25,626.51 and 12,206.26 is: 16,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.22 : 25,626.51 = 12,206.26 : x
  2. Step 2: Convert to fraction form
    18,582.22/25,626.51 = 12,206.26/x
  3. Step 3: Cross multiply
    18,582.22x = 25,626.51 × 12,206.26
  4. Step 4: Simplify right side
    18,582.22x = 312,803,770.74
  5. Step 5: Solve for x
    x = 312,803,770.74/18,582.22
  6. Step 6: Final answer
    x = 16,833.50

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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.