Home / 14,272.22-19,695.49-7,898.33

Finding the Fourth Proportional to 14,272.22, 19,695.49 and 7,898.33

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Solution

The fourth proportional to 14,272.22, 19,695.49 and 7,898.33 is: 10,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.22 : 19,695.49 = 7,898.33 : x
  2. Step 2: Convert to fraction form
    14,272.22/19,695.49 = 7,898.33/x
  3. Step 3: Cross multiply
    14,272.22x = 19,695.49 × 7,898.33
  4. Step 4: Simplify right side
    14,272.22x = 155,561,479.53
  5. Step 5: Solve for x
    x = 155,561,479.53/14,272.22
  6. Step 6: Final answer
    x = 10,899.60

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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.