Home / 15,816.45-23,724.77-4,129.77

Finding the Fourth Proportional to 15,816.45, 23,724.77 and 4,129.77

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Solution

The fourth proportional to 15,816.45, 23,724.77 and 4,129.77 is: 6,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816.45 : 23,724.77 = 4,129.77 : x
  2. Step 2: Convert to fraction form
    15,816.45/23,724.77 = 4,129.77/x
  3. Step 3: Cross multiply
    15,816.45x = 23,724.77 × 4,129.77
  4. Step 4: Simplify right side
    15,816.45x = 97,977,822.75
  5. Step 5: Solve for x
    x = 97,977,822.75/15,816.45
  6. Step 6: Final answer
    x = 6,194.68

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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.