Home / 15,189.80-22,779.23-6,425.33

Finding the Fourth Proportional to 15,189.80, 22,779.23 and 6,425.33

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Solution

The fourth proportional to 15,189.80, 22,779.23 and 6,425.33 is: 9,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189.80 : 22,779.23 = 6,425.33 : x
  2. Step 2: Convert to fraction form
    15,189.80/22,779.23 = 6,425.33/x
  3. Step 3: Cross multiply
    15,189.80x = 22,779.23 × 6,425.33
  4. Step 4: Simplify right side
    15,189.80x = 146,363,923.87
  5. Step 5: Solve for x
    x = 146,363,923.87/15,189.80
  6. Step 6: Final answer
    x = 9,635.67

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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.