Home / 15,550.42-23,307.37-7,212.88

Finding the Fourth Proportional to 15,550.42, 23,307.37 and 7,212.88

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Solution

The fourth proportional to 15,550.42, 23,307.37 and 7,212.88 is: 10,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.42 : 23,307.37 = 7,212.88 : x
  2. Step 2: Convert to fraction form
    15,550.42/23,307.37 = 7,212.88/x
  3. Step 3: Cross multiply
    15,550.42x = 23,307.37 × 7,212.88
  4. Step 4: Simplify right side
    15,550.42x = 168,113,262.93
  5. Step 5: Solve for x
    x = 168,113,262.93/15,550.42
  6. Step 6: Final answer
    x = 10,810.85

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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.