Home / 16,709.28-23,036.76-11,985.36

Finding the Fourth Proportional to 16,709.28, 23,036.76 and 11,985.36

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Solution

The fourth proportional to 16,709.28, 23,036.76 and 11,985.36 is: 16,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,709.28 : 23,036.76 = 11,985.36 : x
  2. Step 2: Convert to fraction form
    16,709.28/23,036.76 = 11,985.36/x
  3. Step 3: Cross multiply
    16,709.28x = 23,036.76 × 11,985.36
  4. Step 4: Simplify right side
    16,709.28x = 276,103,861.83
  5. Step 5: Solve for x
    x = 276,103,861.83/16,709.28
  6. Step 6: Final answer
    x = 16,523.98

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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.