Home / 14,144.12-21,216.36-5,710.79

Finding the Fourth Proportional to 14,144.12, 21,216.36 and 5,710.79

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Solution

The fourth proportional to 14,144.12, 21,216.36 and 5,710.79 is: 8,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.12 : 21,216.36 = 5,710.79 : x
  2. Step 2: Convert to fraction form
    14,144.12/21,216.36 = 5,710.79/x
  3. Step 3: Cross multiply
    14,144.12x = 21,216.36 × 5,710.79
  4. Step 4: Simplify right side
    14,144.12x = 121,162,176.52
  5. Step 5: Solve for x
    x = 121,162,176.52/14,144.12
  6. Step 6: Final answer
    x = 8,566.26

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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.