Home / 14,014.83-19,340.61-7,727.43

Finding the Fourth Proportional to 14,014.83, 19,340.61 and 7,727.43

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Solution

The fourth proportional to 14,014.83, 19,340.61 and 7,727.43 is: 10,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.83 : 19,340.61 = 7,727.43 : x
  2. Step 2: Convert to fraction form
    14,014.83/19,340.61 = 7,727.43/x
  3. Step 3: Cross multiply
    14,014.83x = 19,340.61 × 7,727.43
  4. Step 4: Simplify right side
    14,014.83x = 149,453,209.93
  5. Step 5: Solve for x
    x = 149,453,209.93/14,014.83
  6. Step 6: Final answer
    x = 10,663.93

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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.