Home / 15,695.27-21,673.53-11,709.46

Finding the Fourth Proportional to 15,695.27, 21,673.53 and 11,709.46

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Solution

The fourth proportional to 15,695.27, 21,673.53 and 11,709.46 is: 16,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695.27 : 21,673.53 = 11,709.46 : x
  2. Step 2: Convert to fraction form
    15,695.27/21,673.53 = 11,709.46/x
  3. Step 3: Cross multiply
    15,695.27x = 21,673.53 × 11,709.46
  4. Step 4: Simplify right side
    15,695.27x = 253,785,332.59
  5. Step 5: Solve for x
    x = 253,785,332.59/15,695.27
  6. Step 6: Final answer
    x = 16,169.54

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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.