Home / 20,041.52-27,657.33-11,089.40

Finding the Fourth Proportional to 20,041.52, 27,657.33 and 11,089.40

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Solution

The fourth proportional to 20,041.52, 27,657.33 and 11,089.40 is: 15,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.52 : 27,657.33 = 11,089.40 : x
  2. Step 2: Convert to fraction form
    20,041.52/27,657.33 = 11,089.40/x
  3. Step 3: Cross multiply
    20,041.52x = 27,657.33 × 11,089.40
  4. Step 4: Simplify right side
    20,041.52x = 306,703,195.30
  5. Step 5: Solve for x
    x = 306,703,195.30/20,041.52
  6. Step 6: Final answer
    x = 15,303.39

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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.