Home / 22,582.50-31,162.95-12,511.09

Finding the Fourth Proportional to 22,582.50, 31,162.95 and 12,511.09

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Solution

The fourth proportional to 22,582.50, 31,162.95 and 12,511.09 is: 17,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,582.50 : 31,162.95 = 12,511.09 : x
  2. Step 2: Convert to fraction form
    22,582.50/31,162.95 = 12,511.09/x
  3. Step 3: Cross multiply
    22,582.50x = 31,162.95 × 12,511.09
  4. Step 4: Simplify right side
    22,582.50x = 389,882,546.26
  5. Step 5: Solve for x
    x = 389,882,546.26/22,582.50
  6. Step 6: Final answer
    x = 17,264.81

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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.