Home / 22,124.80-33,187.20-19,705.60

Finding the Fourth Proportional to 22,124.80, 33,187.20 and 19,705.60

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Solution

The fourth proportional to 22,124.80, 33,187.20 and 19,705.60 is: 29,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.80 : 33,187.20 = 19,705.60 : x
  2. Step 2: Convert to fraction form
    22,124.80/33,187.20 = 19,705.60/x
  3. Step 3: Cross multiply
    22,124.80x = 33,187.20 × 19,705.60
  4. Step 4: Simplify right side
    22,124.80x = 653,973,688.32
  5. Step 5: Solve for x
    x = 653,973,688.32/22,124.80
  6. Step 6: Final answer
    x = 29,558.40

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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.