Home / 14,272.33-19,695.32-7,899.19

Finding the Fourth Proportional to 14,272.33, 19,695.32 and 7,899.19

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Solution

The fourth proportional to 14,272.33, 19,695.32 and 7,899.19 is: 10,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.33 : 19,695.32 = 7,899.19 : x
  2. Step 2: Convert to fraction form
    14,272.33/19,695.32 = 7,899.19/x
  3. Step 3: Cross multiply
    14,272.33x = 19,695.32 × 7,899.19
  4. Step 4: Simplify right side
    14,272.33x = 155,577,074.79
  5. Step 5: Solve for x
    x = 155,577,074.79/14,272.33
  6. Step 6: Final answer
    x = 10,900.61

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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.