Home / 20,269.95-27,975.02-11,770.22

Finding the Fourth Proportional to 20,269.95, 27,975.02 and 11,770.22

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Solution

The fourth proportional to 20,269.95, 27,975.02 and 11,770.22 is: 16,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.95 : 27,975.02 = 11,770.22 : x
  2. Step 2: Convert to fraction form
    20,269.95/27,975.02 = 11,770.22/x
  3. Step 3: Cross multiply
    20,269.95x = 27,975.02 × 11,770.22
  4. Step 4: Simplify right side
    20,269.95x = 329,271,941.18
  5. Step 5: Solve for x
    x = 329,271,941.18/20,269.95
  6. Step 6: Final answer
    x = 16,244.34

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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.