Home / 22,666.80-34,000.20-20,370.45

Finding the Fourth Proportional to 22,666.80, 34,000.20 and 20,370.45

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Solution

The fourth proportional to 22,666.80, 34,000.20 and 20,370.45 is: 30,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.80 : 34,000.20 = 20,370.45 : x
  2. Step 2: Convert to fraction form
    22,666.80/34,000.20 = 20,370.45/x
  3. Step 3: Cross multiply
    22,666.80x = 34,000.20 × 20,370.45
  4. Step 4: Simplify right side
    22,666.80x = 692,599,374.09
  5. Step 5: Solve for x
    x = 692,599,374.09/22,666.80
  6. Step 6: Final answer
    x = 30,555.68

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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.