Home / 18,916-26,104.08-10,533.04

Finding the Fourth Proportional to 18,916, 26,104.08 and 10,533.04

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Solution

The fourth proportional to 18,916, 26,104.08 and 10,533.04 is: 14,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916 : 26,104.08 = 10,533.04 : x
  2. Step 2: Convert to fraction form
    18,916/26,104.08 = 10,533.04/x
  3. Step 3: Cross multiply
    18,916x = 26,104.08 × 10,533.04
  4. Step 4: Simplify right side
    18,916x = 274,955,318.80
  5. Step 5: Solve for x
    x = 274,955,318.80/18,916
  6. Step 6: Final answer
    x = 14,535.60

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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.