Home / 14,720.80-22,083.20-5,359.60

Finding the Fourth Proportional to 14,720.80, 22,083.20 and 5,359.60

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Solution

The fourth proportional to 14,720.80, 22,083.20 and 5,359.60 is: 8,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.80 : 22,083.20 = 5,359.60 : x
  2. Step 2: Convert to fraction form
    14,720.80/22,083.20 = 5,359.60/x
  3. Step 3: Cross multiply
    14,720.80x = 22,083.20 × 5,359.60
  4. Step 4: Simplify right side
    14,720.80x = 118,357,118.72
  5. Step 5: Solve for x
    x = 118,357,118.72/14,720.80
  6. Step 6: Final answer
    x = 8,040.13

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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.