Home / 13,098.77-18,089.15-11,199.39

Finding the Fourth Proportional to 13,098.77, 18,089.15 and 11,199.39

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Solution

The fourth proportional to 13,098.77, 18,089.15 and 11,199.39 is: 15,466.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.77 : 18,089.15 = 11,199.39 : x
  2. Step 2: Convert to fraction form
    13,098.77/18,089.15 = 11,199.39/x
  3. Step 3: Cross multiply
    13,098.77x = 18,089.15 × 11,199.39
  4. Step 4: Simplify right side
    13,098.77x = 202,587,445.62
  5. Step 5: Solve for x
    x = 202,587,445.62/13,098.77
  6. Step 6: Final answer
    x = 15,466.14

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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.