Home / 19,530.20-26,951.10-11,032.72

Finding the Fourth Proportional to 19,530.20, 26,951.10 and 11,032.72

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Solution

The fourth proportional to 19,530.20, 26,951.10 and 11,032.72 is: 15,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.20 : 26,951.10 = 11,032.72 : x
  2. Step 2: Convert to fraction form
    19,530.20/26,951.10 = 11,032.72/x
  3. Step 3: Cross multiply
    19,530.20x = 26,951.10 × 11,032.72
  4. Step 4: Simplify right side
    19,530.20x = 297,343,939.99
  5. Step 5: Solve for x
    x = 297,343,939.99/19,530.20
  6. Step 6: Final answer
    x = 15,224.83

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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.