Home / 55,349.20-83,023.80-15,907.60

Finding the Fourth Proportional to 55,349.20, 83,023.80 and 15,907.60

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Solution

The fourth proportional to 55,349.20, 83,023.80 and 15,907.60 is: 23,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,349.20 : 83,023.80 = 15,907.60 : x
  2. Step 2: Convert to fraction form
    55,349.20/83,023.80 = 15,907.60/x
  3. Step 3: Cross multiply
    55,349.20x = 83,023.80 × 15,907.60
  4. Step 4: Simplify right side
    55,349.20x = 1,320,709,400.88
  5. Step 5: Solve for x
    x = 1,320,709,400.88/55,349.20
  6. Step 6: Final answer
    x = 23,861.40

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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.