Home / 13,944.66-19,243.35-7,656.96

Finding the Fourth Proportional to 13,944.66, 19,243.35 and 7,656.96

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Solution

The fourth proportional to 13,944.66, 19,243.35 and 7,656.96 is: 10,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.66 : 19,243.35 = 7,656.96 : x
  2. Step 2: Convert to fraction form
    13,944.66/19,243.35 = 7,656.96/x
  3. Step 3: Cross multiply
    13,944.66x = 19,243.35 × 7,656.96
  4. Step 4: Simplify right side
    13,944.66x = 147,345,561.22
  5. Step 5: Solve for x
    x = 147,345,561.22/13,944.66
  6. Step 6: Final answer
    x = 10,566.45

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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.