Home / 22,779.69-34,174.49-6,984.78

Finding the Fourth Proportional to 22,779.69, 34,174.49 and 6,984.78

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Solution

The fourth proportional to 22,779.69, 34,174.49 and 6,984.78 is: 10,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779.69 : 34,174.49 = 6,984.78 : x
  2. Step 2: Convert to fraction form
    22,779.69/34,174.49 = 6,984.78/x
  3. Step 3: Cross multiply
    22,779.69x = 34,174.49 × 6,984.78
  4. Step 4: Simplify right side
    22,779.69x = 238,701,259.34
  5. Step 5: Solve for x
    x = 238,701,259.34/22,779.69
  6. Step 6: Final answer
    x = 10,478.69

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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.