Home / 22,582.21-31,162.62-12,511.09

Finding the Fourth Proportional to 22,582.21, 31,162.62 and 12,511.09

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Solution

The fourth proportional to 22,582.21, 31,162.62 and 12,511.09 is: 17,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,582.21 : 31,162.62 = 12,511.09 : x
  2. Step 2: Convert to fraction form
    22,582.21/31,162.62 = 12,511.09/x
  3. Step 3: Cross multiply
    22,582.21x = 31,162.62 × 12,511.09
  4. Step 4: Simplify right side
    22,582.21x = 389,878,343.46
  5. Step 5: Solve for x
    x = 389,878,343.46/22,582.21
  6. Step 6: Final answer
    x = 17,264.84

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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.