Home / 17,912.86-26,862.91-6,816.60

Finding the Fourth Proportional to 17,912.86, 26,862.91 and 6,816.60

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Solution

The fourth proportional to 17,912.86, 26,862.91 and 6,816.60 is: 10,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.86 : 26,862.91 = 6,816.60 : x
  2. Step 2: Convert to fraction form
    17,912.86/26,862.91 = 6,816.60/x
  3. Step 3: Cross multiply
    17,912.86x = 26,862.91 × 6,816.60
  4. Step 4: Simplify right side
    17,912.86x = 183,113,695.26
  5. Step 5: Solve for x
    x = 183,113,695.26/17,912.86
  6. Step 6: Final answer
    x = 10,222.47

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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.