Home / 22,186.54-33,281.40-6,987.80

Finding the Fourth Proportional to 22,186.54, 33,281.40 and 6,987.80

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Solution

The fourth proportional to 22,186.54, 33,281.40 and 6,987.80 is: 10,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.54 : 33,281.40 = 6,987.80 : x
  2. Step 2: Convert to fraction form
    22,186.54/33,281.40 = 6,987.80/x
  3. Step 3: Cross multiply
    22,186.54x = 33,281.40 × 6,987.80
  4. Step 4: Simplify right side
    22,186.54x = 232,563,766.92
  5. Step 5: Solve for x
    x = 232,563,766.92/22,186.54
  6. Step 6: Final answer
    x = 10,482.20

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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.