Home / 15,906.50-23,860.58-4,812.90

Finding the Fourth Proportional to 15,906.50, 23,860.58 and 4,812.90

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Solution

The fourth proportional to 15,906.50, 23,860.58 and 4,812.90 is: 7,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,906.50 : 23,860.58 = 4,812.90 : x
  2. Step 2: Convert to fraction form
    15,906.50/23,860.58 = 4,812.90/x
  3. Step 3: Cross multiply
    15,906.50x = 23,860.58 × 4,812.90
  4. Step 4: Simplify right side
    15,906.50x = 114,838,585.48
  5. Step 5: Solve for x
    x = 114,838,585.48/15,906.50
  6. Step 6: Final answer
    x = 7,219.60

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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.