Home / 22,020.17-30,404.46-13,533.99

Finding the Fourth Proportional to 22,020.17, 30,404.46 and 13,533.99

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Solution

The fourth proportional to 22,020.17, 30,404.46 and 13,533.99 is: 18,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.17 : 30,404.46 = 13,533.99 : x
  2. Step 2: Convert to fraction form
    22,020.17/30,404.46 = 13,533.99/x
  3. Step 3: Cross multiply
    22,020.17x = 30,404.46 × 13,533.99
  4. Step 4: Simplify right side
    22,020.17x = 411,493,657.60
  5. Step 5: Solve for x
    x = 411,493,657.60/22,020.17
  6. Step 6: Final answer
    x = 18,687.13

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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.