Home / 19,158-26,439.26-10,774.50

Finding the Fourth Proportional to 19,158, 26,439.26 and 10,774.50

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Solution

The fourth proportional to 19,158, 26,439.26 and 10,774.50 is: 14,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158 : 26,439.26 = 10,774.50 : x
  2. Step 2: Convert to fraction form
    19,158/26,439.26 = 10,774.50/x
  3. Step 3: Cross multiply
    19,158x = 26,439.26 × 10,774.50
  4. Step 4: Simplify right side
    19,158x = 284,869,753.00
  5. Step 5: Solve for x
    x = 284,869,753.00/19,158
  6. Step 6: Final answer
    x = 14,869.49

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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.