Home / 19,069.56-28,615.28-15,821.87

Finding the Fourth Proportional to 19,069.56, 28,615.28 and 15,821.87

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Solution

The fourth proportional to 19,069.56, 28,615.28 and 15,821.87 is: 23,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.56 : 28,615.28 = 15,821.87 : x
  2. Step 2: Convert to fraction form
    19,069.56/28,615.28 = 15,821.87/x
  3. Step 3: Cross multiply
    19,069.56x = 28,615.28 × 15,821.87
  4. Step 4: Simplify right side
    19,069.56x = 452,747,017.99
  5. Step 5: Solve for x
    x = 452,747,017.99/19,069.56
  6. Step 6: Final answer
    x = 23,741.87

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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.