Home / 19,099.96-26,356.22-11,142.88

Finding the Fourth Proportional to 19,099.96, 26,356.22 and 11,142.88

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Solution

The fourth proportional to 19,099.96, 26,356.22 and 11,142.88 is: 15,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.96 : 26,356.22 = 11,142.88 : x
  2. Step 2: Convert to fraction form
    19,099.96/26,356.22 = 11,142.88/x
  3. Step 3: Cross multiply
    19,099.96x = 26,356.22 × 11,142.88
  4. Step 4: Simplify right side
    19,099.96x = 293,684,196.71
  5. Step 5: Solve for x
    x = 293,684,196.71/19,099.96
  6. Step 6: Final answer
    x = 15,376.17

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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.