Home / 22,366.45-30,855.54-13,866.31

Finding the Fourth Proportional to 22,366.45, 30,855.54 and 13,866.31

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Solution

The fourth proportional to 22,366.45, 30,855.54 and 13,866.31 is: 19,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366.45 : 30,855.54 = 13,866.31 : x
  2. Step 2: Convert to fraction form
    22,366.45/30,855.54 = 13,866.31/x
  3. Step 3: Cross multiply
    22,366.45x = 30,855.54 × 13,866.31
  4. Step 4: Simplify right side
    22,366.45x = 427,852,328.58
  5. Step 5: Solve for x
    x = 427,852,328.58/22,366.45
  6. Step 6: Final answer
    x = 19,129.21

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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.