Home / 13,897.48-19,178.61-7,610.44

Finding the Fourth Proportional to 13,897.48, 19,178.61 and 7,610.44

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Solution

The fourth proportional to 13,897.48, 19,178.61 and 7,610.44 is: 10,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.48 : 19,178.61 = 7,610.44 : x
  2. Step 2: Convert to fraction form
    13,897.48/19,178.61 = 7,610.44/x
  3. Step 3: Cross multiply
    13,897.48x = 19,178.61 × 7,610.44
  4. Step 4: Simplify right side
    13,897.48x = 145,957,660.69
  5. Step 5: Solve for x
    x = 145,957,660.69/13,897.48
  6. Step 6: Final answer
    x = 10,502.46

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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.