Home / 13,897.06-19,177.20-7,608.22

Finding the Fourth Proportional to 13,897.06, 19,177.20 and 7,608.22

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Solution

The fourth proportional to 13,897.06, 19,177.20 and 7,608.22 is: 10,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.06 : 19,177.20 = 7,608.22 : x
  2. Step 2: Convert to fraction form
    13,897.06/19,177.20 = 7,608.22/x
  3. Step 3: Cross multiply
    13,897.06x = 19,177.20 × 7,608.22
  4. Step 4: Simplify right side
    13,897.06x = 145,904,356.58
  5. Step 5: Solve for x
    x = 145,904,356.58/13,897.06
  6. Step 6: Final answer
    x = 10,498.94

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1.5x scale

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.