Home / 22,110.93-30,513.63-12,039.92

Finding the Fourth Proportional to 22,110.93, 30,513.63 and 12,039.92

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Solution

The fourth proportional to 22,110.93, 30,513.63 and 12,039.92 is: 16,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.93 : 30,513.63 = 12,039.92 : x
  2. Step 2: Convert to fraction form
    22,110.93/30,513.63 = 12,039.92/x
  3. Step 3: Cross multiply
    22,110.93x = 30,513.63 × 12,039.92
  4. Step 4: Simplify right side
    22,110.93x = 367,381,664.11
  5. Step 5: Solve for x
    x = 367,381,664.11/22,110.93
  6. Step 6: Final answer
    x = 16,615.39

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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.