Home / 13,263.02-19,894.05-3,402.39

Finding the Fourth Proportional to 13,263.02, 19,894.05 and 3,402.39

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Solution

The fourth proportional to 13,263.02, 19,894.05 and 3,402.39 is: 5,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.02 : 19,894.05 = 3,402.39 : x
  2. Step 2: Convert to fraction form
    13,263.02/19,894.05 = 3,402.39/x
  3. Step 3: Cross multiply
    13,263.02x = 19,894.05 × 3,402.39
  4. Step 4: Simplify right side
    13,263.02x = 67,687,304.02
  5. Step 5: Solve for x
    x = 67,687,304.02/13,263.02
  6. Step 6: Final answer
    x = 5,103.46

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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.