Home / 22,405.36-33,587.22-9,918.70

Finding the Fourth Proportional to 22,405.36, 33,587.22 and 9,918.70

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Solution

The fourth proportional to 22,405.36, 33,587.22 and 9,918.70 is: 14,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,405.36 : 33,587.22 = 9,918.70 : x
  2. Step 2: Convert to fraction form
    22,405.36/33,587.22 = 9,918.70/x
  3. Step 3: Cross multiply
    22,405.36x = 33,587.22 × 9,918.70
  4. Step 4: Simplify right side
    22,405.36x = 333,141,559.01
  5. Step 5: Solve for x
    x = 333,141,559.01/22,405.36
  6. Step 6: Final answer
    x = 14,868.83

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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.