Home / 16,901.72-23,302.68-11,587.28

Finding the Fourth Proportional to 16,901.72, 23,302.68 and 11,587.28

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Solution

The fourth proportional to 16,901.72, 23,302.68 and 11,587.28 is: 15,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,901.72 : 23,302.68 = 11,587.28 : x
  2. Step 2: Convert to fraction form
    16,901.72/23,302.68 = 11,587.28/x
  3. Step 3: Cross multiply
    16,901.72x = 23,302.68 × 11,587.28
  4. Step 4: Simplify right side
    16,901.72x = 270,014,677.91
  5. Step 5: Solve for x
    x = 270,014,677.91/16,901.72
  6. Step 6: Final answer
    x = 15,975.57

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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.