Home / 15,455.20-23,182.80-4,362.26

Finding the Fourth Proportional to 15,455.20, 23,182.80 and 4,362.26

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Solution

The fourth proportional to 15,455.20, 23,182.80 and 4,362.26 is: 6,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.20 : 23,182.80 = 4,362.26 : x
  2. Step 2: Convert to fraction form
    15,455.20/23,182.80 = 4,362.26/x
  3. Step 3: Cross multiply
    15,455.20x = 23,182.80 × 4,362.26
  4. Step 4: Simplify right side
    15,455.20x = 101,129,401.13
  5. Step 5: Solve for x
    x = 101,129,401.13/15,455.20
  6. Step 6: Final answer
    x = 6,543.39

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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.