Home / 14,005.46-19,326.66-7,717.88

Finding the Fourth Proportional to 14,005.46, 19,326.66 and 7,717.88

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Solution

The fourth proportional to 14,005.46, 19,326.66 and 7,717.88 is: 10,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.46 : 19,326.66 = 7,717.88 : x
  2. Step 2: Convert to fraction form
    14,005.46/19,326.66 = 7,717.88/x
  3. Step 3: Cross multiply
    14,005.46x = 19,326.66 × 7,717.88
  4. Step 4: Simplify right side
    14,005.46x = 149,160,842.68
  5. Step 5: Solve for x
    x = 149,160,842.68/14,005.46
  6. Step 6: Final answer
    x = 10,650.19

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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.