Home / 15,847.78-23,758.71-5,981.44

Finding the Fourth Proportional to 15,847.78, 23,758.71 and 5,981.44

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Solution

The fourth proportional to 15,847.78, 23,758.71 and 5,981.44 is: 8,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.78 : 23,758.71 = 5,981.44 : x
  2. Step 2: Convert to fraction form
    15,847.78/23,758.71 = 5,981.44/x
  3. Step 3: Cross multiply
    15,847.78x = 23,758.71 × 5,981.44
  4. Step 4: Simplify right side
    15,847.78x = 142,111,298.34
  5. Step 5: Solve for x
    x = 142,111,298.34/15,847.78
  6. Step 6: Final answer
    x = 8,967.27

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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.