Home / 14,216.24-19,618.50-7,843.06

Finding the Fourth Proportional to 14,216.24, 19,618.50 and 7,843.06

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Solution

The fourth proportional to 14,216.24, 19,618.50 and 7,843.06 is: 10,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.24 : 19,618.50 = 7,843.06 : x
  2. Step 2: Convert to fraction form
    14,216.24/19,618.50 = 7,843.06/x
  3. Step 3: Cross multiply
    14,216.24x = 19,618.50 × 7,843.06
  4. Step 4: Simplify right side
    14,216.24x = 153,869,126.54
  5. Step 5: Solve for x
    x = 153,869,126.54/14,216.24
  6. Step 6: Final answer
    x = 10,823.47

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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.