Home / 17,763.15-26,640.10-5,280.24

Finding the Fourth Proportional to 17,763.15, 26,640.10 and 5,280.24

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Solution

The fourth proportional to 17,763.15, 26,640.10 and 5,280.24 is: 7,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.15 : 26,640.10 = 5,280.24 : x
  2. Step 2: Convert to fraction form
    17,763.15/26,640.10 = 5,280.24/x
  3. Step 3: Cross multiply
    17,763.15x = 26,640.10 × 5,280.24
  4. Step 4: Simplify right side
    17,763.15x = 140,666,121.62
  5. Step 5: Solve for x
    x = 140,666,121.62/17,763.15
  6. Step 6: Final answer
    x = 7,918.99

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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.