Home / 18,267.50-27,402.60-13,368.08

Finding the Fourth Proportional to 18,267.50, 27,402.60 and 13,368.08

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Solution

The fourth proportional to 18,267.50, 27,402.60 and 13,368.08 is: 20,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.50 : 27,402.60 = 13,368.08 : x
  2. Step 2: Convert to fraction form
    18,267.50/27,402.60 = 13,368.08/x
  3. Step 3: Cross multiply
    18,267.50x = 27,402.60 × 13,368.08
  4. Step 4: Simplify right side
    18,267.50x = 366,320,149.01
  5. Step 5: Solve for x
    x = 366,320,149.01/18,267.50
  6. Step 6: Final answer
    x = 20,053.11

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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.