Home / 20,250.08-27,947.04-12,290.48

Finding the Fourth Proportional to 20,250.08, 27,947.04 and 12,290.48

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Solution

The fourth proportional to 20,250.08, 27,947.04 and 12,290.48 is: 16,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.08 : 27,947.04 = 12,290.48 : x
  2. Step 2: Convert to fraction form
    20,250.08/27,947.04 = 12,290.48/x
  3. Step 3: Cross multiply
    20,250.08x = 27,947.04 × 12,290.48
  4. Step 4: Simplify right side
    20,250.08x = 343,482,536.18
  5. Step 5: Solve for x
    x = 343,482,536.18/20,250.08
  6. Step 6: Final answer
    x = 16,962.03

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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.