Home / 19,453.02-29,124.45-15,121.14

Finding the Fourth Proportional to 19,453.02, 29,124.45 and 15,121.14

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Solution

The fourth proportional to 19,453.02, 29,124.45 and 15,121.14 is: 22,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.02 : 29,124.45 = 15,121.14 : x
  2. Step 2: Convert to fraction form
    19,453.02/29,124.45 = 15,121.14/x
  3. Step 3: Cross multiply
    19,453.02x = 29,124.45 × 15,121.14
  4. Step 4: Simplify right side
    19,453.02x = 440,394,885.87
  5. Step 5: Solve for x
    x = 440,394,885.87/19,453.02
  6. Step 6: Final answer
    x = 22,638.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.