Home / 19,199.54-26,487.74-11,643.11

Finding the Fourth Proportional to 19,199.54, 26,487.74 and 11,643.11

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Solution

The fourth proportional to 19,199.54, 26,487.74 and 11,643.11 is: 16,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.54 : 26,487.74 = 11,643.11 : x
  2. Step 2: Convert to fraction form
    19,199.54/26,487.74 = 11,643.11/x
  3. Step 3: Cross multiply
    19,199.54x = 26,487.74 × 11,643.11
  4. Step 4: Simplify right side
    19,199.54x = 308,399,567.14
  5. Step 5: Solve for x
    x = 308,399,567.14/19,199.54
  6. Step 6: Final answer
    x = 16,062.87

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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.