Home / 22,239.36-33,228.72-21,464.40

Finding the Fourth Proportional to 22,239.36, 33,228.72 and 21,464.40

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Solution

The fourth proportional to 22,239.36, 33,228.72 and 21,464.40 is: 32,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.36 : 33,228.72 = 21,464.40 : x
  2. Step 2: Convert to fraction form
    22,239.36/33,228.72 = 21,464.40/x
  3. Step 3: Cross multiply
    22,239.36x = 33,228.72 × 21,464.40
  4. Step 4: Simplify right side
    22,239.36x = 713,234,537.57
  5. Step 5: Solve for x
    x = 713,234,537.57/22,239.36
  6. Step 6: Final answer
    x = 32,070.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.