Home / 15,643.80-23,465.76-4,550.52

Finding the Fourth Proportional to 15,643.80, 23,465.76 and 4,550.52

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Solution

The fourth proportional to 15,643.80, 23,465.76 and 4,550.52 is: 6,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.80 : 23,465.76 = 4,550.52 : x
  2. Step 2: Convert to fraction form
    15,643.80/23,465.76 = 4,550.52/x
  3. Step 3: Cross multiply
    15,643.80x = 23,465.76 × 4,550.52
  4. Step 4: Simplify right side
    15,643.80x = 106,781,410.20
  5. Step 5: Solve for x
    x = 106,781,410.20/15,643.80
  6. Step 6: Final answer
    x = 6,825.80

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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.