Home / 15,815.70-23,723.55-15,585.30

Finding the Fourth Proportional to 15,815.70, 23,723.55 and 15,585.30

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Solution

The fourth proportional to 15,815.70, 23,723.55 and 15,585.30 is: 23,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.70 : 23,723.55 = 15,585.30 : x
  2. Step 2: Convert to fraction form
    15,815.70/23,723.55 = 15,585.30/x
  3. Step 3: Cross multiply
    15,815.70x = 23,723.55 × 15,585.30
  4. Step 4: Simplify right side
    15,815.70x = 369,738,643.82
  5. Step 5: Solve for x
    x = 369,738,643.82/15,815.70
  6. Step 6: Final answer
    x = 23,377.95

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Similar ratio
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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.