Home / 16,876.47-23,289.07-9,322.64

Finding the Fourth Proportional to 16,876.47, 23,289.07 and 9,322.64

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Solution

The fourth proportional to 16,876.47, 23,289.07 and 9,322.64 is: 12,864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.47 : 23,289.07 = 9,322.64 : x
  2. Step 2: Convert to fraction form
    16,876.47/23,289.07 = 9,322.64/x
  3. Step 3: Cross multiply
    16,876.47x = 23,289.07 × 9,322.64
  4. Step 4: Simplify right side
    16,876.47x = 217,115,499.10
  5. Step 5: Solve for x
    x = 217,115,499.10/16,876.47
  6. Step 6: Final answer
    x = 12,864.99

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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.