Home / 14,217.24-19,619.88-7,844.06

Finding the Fourth Proportional to 14,217.24, 19,619.88 and 7,844.06

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Solution

The fourth proportional to 14,217.24, 19,619.88 and 7,844.06 is: 10,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.24 : 19,619.88 = 7,844.06 : x
  2. Step 2: Convert to fraction form
    14,217.24/19,619.88 = 7,844.06/x
  3. Step 3: Cross multiply
    14,217.24x = 19,619.88 × 7,844.06
  4. Step 4: Simplify right side
    14,217.24x = 153,899,515.91
  5. Step 5: Solve for x
    x = 153,899,515.91/14,217.24
  6. Step 6: Final answer
    x = 10,824.85

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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.