Home / 18,922.78-26,113.44-10,539.28

Finding the Fourth Proportional to 18,922.78, 26,113.44 and 10,539.28

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Solution

The fourth proportional to 18,922.78, 26,113.44 and 10,539.28 is: 14,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.78 : 26,113.44 = 10,539.28 : x
  2. Step 2: Convert to fraction form
    18,922.78/26,113.44 = 10,539.28/x
  3. Step 3: Cross multiply
    18,922.78x = 26,113.44 × 10,539.28
  4. Step 4: Simplify right side
    18,922.78x = 275,216,868.80
  5. Step 5: Solve for x
    x = 275,216,868.80/18,922.78
  6. Step 6: Final answer
    x = 14,544.21

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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.