Home / 22,110.18-30,511.95-12,550.16

Finding the Fourth Proportional to 22,110.18, 30,511.95 and 12,550.16

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Solution

The fourth proportional to 22,110.18, 30,511.95 and 12,550.16 is: 17,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.18 : 30,511.95 = 12,550.16 : x
  2. Step 2: Convert to fraction form
    22,110.18/30,511.95 = 12,550.16/x
  3. Step 3: Cross multiply
    22,110.18x = 30,511.95 × 12,550.16
  4. Step 4: Simplify right side
    22,110.18x = 382,929,854.41
  5. Step 5: Solve for x
    x = 382,929,854.41/22,110.18
  6. Step 6: Final answer
    x = 17,319.16

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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.