Home / 19,426.03-29,084.78-10,509.47

Finding the Fourth Proportional to 19,426.03, 29,084.78 and 10,509.47

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Solution

The fourth proportional to 19,426.03, 29,084.78 and 10,509.47 is: 15,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.03 : 29,084.78 = 10,509.47 : x
  2. Step 2: Convert to fraction form
    19,426.03/29,084.78 = 10,509.47/x
  3. Step 3: Cross multiply
    19,426.03x = 29,084.78 × 10,509.47
  4. Step 4: Simplify right side
    19,426.03x = 305,665,622.87
  5. Step 5: Solve for x
    x = 305,665,622.87/19,426.03
  6. Step 6: Final answer
    x = 15,734.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.