Home / 12,070.13-18,101.34-11,283.03

Finding the Fourth Proportional to 12,070.13, 18,101.34 and 11,283.03

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Solution

The fourth proportional to 12,070.13, 18,101.34 and 11,283.03 is: 16,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.13 : 18,101.34 = 11,283.03 : x
  2. Step 2: Convert to fraction form
    12,070.13/18,101.34 = 11,283.03/x
  3. Step 3: Cross multiply
    12,070.13x = 18,101.34 × 11,283.03
  4. Step 4: Simplify right side
    12,070.13x = 204,237,962.26
  5. Step 5: Solve for x
    x = 204,237,962.26/12,070.13
  6. Step 6: Final answer
    x = 16,920.95

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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.