Home / 19,426.50-26,808.60-11,043

Finding the Fourth Proportional to 19,426.50, 26,808.60 and 11,043

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Solution

The fourth proportional to 19,426.50, 26,808.60 and 11,043 is: 15,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.50 : 26,808.60 = 11,043 : x
  2. Step 2: Convert to fraction form
    19,426.50/26,808.60 = 11,043/x
  3. Step 3: Cross multiply
    19,426.50x = 26,808.60 × 11,043
  4. Step 4: Simplify right side
    19,426.50x = 296,047,369.80
  5. Step 5: Solve for x
    x = 296,047,369.80/19,426.50
  6. Step 6: Final answer
    x = 15,239.36

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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.