Home / 16,861.05-23,264.51-9,783.36

Finding the Fourth Proportional to 16,861.05, 23,264.51 and 9,783.36

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Solution

The fourth proportional to 16,861.05, 23,264.51 and 9,783.36 is: 13,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.05 : 23,264.51 = 9,783.36 : x
  2. Step 2: Convert to fraction form
    16,861.05/23,264.51 = 9,783.36/x
  3. Step 3: Cross multiply
    16,861.05x = 23,264.51 × 9,783.36
  4. Step 4: Simplify right side
    16,861.05x = 227,605,027.64
  5. Step 5: Solve for x
    x = 227,605,027.64/16,861.05
  6. Step 6: Final answer
    x = 13,498.86

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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.