Home / 14,140.17-21,215.93-5,824.31

Finding the Fourth Proportional to 14,140.17, 21,215.93 and 5,824.31

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Solution

The fourth proportional to 14,140.17, 21,215.93 and 5,824.31 is: 8,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.17 : 21,215.93 = 5,824.31 : x
  2. Step 2: Convert to fraction form
    14,140.17/21,215.93 = 5,824.31/x
  3. Step 3: Cross multiply
    14,140.17x = 21,215.93 × 5,824.31
  4. Step 4: Simplify right side
    14,140.17x = 123,568,018.06
  5. Step 5: Solve for x
    x = 123,568,018.06/14,140.17
  6. Step 6: Final answer
    x = 8,738.79

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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.