Home / 22,013.04-30,378-11,941.44

Finding the Fourth Proportional to 22,013.04, 30,378 and 11,941.44

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Solution

The fourth proportional to 22,013.04, 30,378 and 11,941.44 is: 16,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.04 : 30,378 = 11,941.44 : x
  2. Step 2: Convert to fraction form
    22,013.04/30,378 = 11,941.44/x
  3. Step 3: Cross multiply
    22,013.04x = 30,378 × 11,941.44
  4. Step 4: Simplify right side
    22,013.04x = 362,757,064.32
  5. Step 5: Solve for x
    x = 362,757,064.32/22,013.04
  6. Step 6: Final answer
    x = 16,479.19

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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.