Home / 22,400.60-33,568.08-19,940.36

Finding the Fourth Proportional to 22,400.60, 33,568.08 and 19,940.36

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Solution

The fourth proportional to 22,400.60, 33,568.08 and 19,940.36 is: 29,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,400.60 : 33,568.08 = 19,940.36 : x
  2. Step 2: Convert to fraction form
    22,400.60/33,568.08 = 19,940.36/x
  3. Step 3: Cross multiply
    22,400.60x = 33,568.08 × 19,940.36
  4. Step 4: Simplify right side
    22,400.60x = 669,359,599.71
  5. Step 5: Solve for x
    x = 669,359,599.71/22,400.60
  6. Step 6: Final answer
    x = 29,881.32

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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.