Home / 22,110.42-30,513.15-12,039.03

Finding the Fourth Proportional to 22,110.42, 30,513.15 and 12,039.03

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Solution

The fourth proportional to 22,110.42, 30,513.15 and 12,039.03 is: 16,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.42 : 30,513.15 = 12,039.03 : x
  2. Step 2: Convert to fraction form
    22,110.42/30,513.15 = 12,039.03/x
  3. Step 3: Cross multiply
    22,110.42x = 30,513.15 × 12,039.03
  4. Step 4: Simplify right side
    22,110.42x = 367,348,728.24
  5. Step 5: Solve for x
    x = 367,348,728.24/22,110.42
  6. Step 6: Final answer
    x = 16,614.28

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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.