Home / 17,672.77-24,378.33-15,187.69

Finding the Fourth Proportional to 17,672.77, 24,378.33 and 15,187.69

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Solution

The fourth proportional to 17,672.77, 24,378.33 and 15,187.69 is: 20,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.77 : 24,378.33 = 15,187.69 : x
  2. Step 2: Convert to fraction form
    17,672.77/24,378.33 = 15,187.69/x
  3. Step 3: Cross multiply
    17,672.77x = 24,378.33 × 15,187.69
  4. Step 4: Simplify right side
    17,672.77x = 370,250,518.76
  5. Step 5: Solve for x
    x = 370,250,518.76/17,672.77
  6. Step 6: Final answer
    x = 20,950.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.