Home / 16,913.52-23,318.64-11,599.20

Finding the Fourth Proportional to 16,913.52, 23,318.64 and 11,599.20

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Solution

The fourth proportional to 16,913.52, 23,318.64 and 11,599.20 is: 15,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.52 : 23,318.64 = 11,599.20 : x
  2. Step 2: Convert to fraction form
    16,913.52/23,318.64 = 11,599.20/x
  3. Step 3: Cross multiply
    16,913.52x = 23,318.64 × 11,599.20
  4. Step 4: Simplify right side
    16,913.52x = 270,477,569.09
  5. Step 5: Solve for x
    x = 270,477,569.09/16,913.52
  6. Step 6: Final answer
    x = 15,991.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.