Home / 22,379.40-33,528.60-10,666.80

Finding the Fourth Proportional to 22,379.40, 33,528.60 and 10,666.80

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Solution

The fourth proportional to 22,379.40, 33,528.60 and 10,666.80 is: 15,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.40 : 33,528.60 = 10,666.80 : x
  2. Step 2: Convert to fraction form
    22,379.40/33,528.60 = 10,666.80/x
  3. Step 3: Cross multiply
    22,379.40x = 33,528.60 × 10,666.80
  4. Step 4: Simplify right side
    22,379.40x = 357,642,870.48
  5. Step 5: Solve for x
    x = 357,642,870.48/22,379.40
  6. Step 6: Final answer
    x = 15,980.90

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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.