Home / 13,398.95-20,098.59-5,076.73

Finding the Fourth Proportional to 13,398.95, 20,098.59 and 5,076.73

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Solution

The fourth proportional to 13,398.95, 20,098.59 and 5,076.73 is: 7,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.95 : 20,098.59 = 5,076.73 : x
  2. Step 2: Convert to fraction form
    13,398.95/20,098.59 = 5,076.73/x
  3. Step 3: Cross multiply
    13,398.95x = 20,098.59 × 5,076.73
  4. Step 4: Simplify right side
    13,398.95x = 102,035,058.22
  5. Step 5: Solve for x
    x = 102,035,058.22/13,398.95
  6. Step 6: Final answer
    x = 7,615.16

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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.