Home / 15,815.57-23,720.04-5,954.61

Finding the Fourth Proportional to 15,815.57, 23,720.04 and 5,954.61

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Solution

The fourth proportional to 15,815.57, 23,720.04 and 5,954.61 is: 8,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.57 : 23,720.04 = 5,954.61 : x
  2. Step 2: Convert to fraction form
    15,815.57/23,720.04 = 5,954.61/x
  3. Step 3: Cross multiply
    15,815.57x = 23,720.04 × 5,954.61
  4. Step 4: Simplify right side
    15,815.57x = 141,243,557.61
  5. Step 5: Solve for x
    x = 141,243,557.61/15,815.57
  6. Step 6: Final answer
    x = 8,930.67

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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.