Home / 22,239.36-30,710.75-14,295.42

Finding the Fourth Proportional to 22,239.36, 30,710.75 and 14,295.42

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Solution

The fourth proportional to 22,239.36, 30,710.75 and 14,295.42 is: 19,740.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.36 : 30,710.75 = 14,295.42 : x
  2. Step 2: Convert to fraction form
    22,239.36/30,710.75 = 14,295.42/x
  3. Step 3: Cross multiply
    22,239.36x = 30,710.75 × 14,295.42
  4. Step 4: Simplify right side
    22,239.36x = 439,022,998.29
  5. Step 5: Solve for x
    x = 439,022,998.29/22,239.36
  6. Step 6: Final answer
    x = 19,740.81

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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.