Home / 22,375.08-30,877.70-13,996.36

Finding the Fourth Proportional to 22,375.08, 30,877.70 and 13,996.36

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Solution

The fourth proportional to 22,375.08, 30,877.70 and 13,996.36 is: 19,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,375.08 : 30,877.70 = 13,996.36 : x
  2. Step 2: Convert to fraction form
    22,375.08/30,877.70 = 13,996.36/x
  3. Step 3: Cross multiply
    22,375.08x = 30,877.70 × 13,996.36
  4. Step 4: Simplify right side
    22,375.08x = 432,175,405.17
  5. Step 5: Solve for x
    x = 432,175,405.17/22,375.08
  6. Step 6: Final answer
    x = 19,315.03

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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.