Home / 21,801.12-30,094.68-14,737.11

Finding the Fourth Proportional to 21,801.12, 30,094.68 and 14,737.11

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Solution

The fourth proportional to 21,801.12, 30,094.68 and 14,737.11 is: 20,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801.12 : 30,094.68 = 14,737.11 : x
  2. Step 2: Convert to fraction form
    21,801.12/30,094.68 = 14,737.11/x
  3. Step 3: Cross multiply
    21,801.12x = 30,094.68 × 14,737.11
  4. Step 4: Simplify right side
    21,801.12x = 443,508,551.98
  5. Step 5: Solve for x
    x = 443,508,551.98/21,801.12
  6. Step 6: Final answer
    x = 20,343.39

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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.