Home / 19,638.24-27,101.72-11,254.76

Finding the Fourth Proportional to 19,638.24, 27,101.72 and 11,254.76

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Solution

The fourth proportional to 19,638.24, 27,101.72 and 11,254.76 is: 15,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638.24 : 27,101.72 = 11,254.76 : x
  2. Step 2: Convert to fraction form
    19,638.24/27,101.72 = 11,254.76/x
  3. Step 3: Cross multiply
    19,638.24x = 27,101.72 × 11,254.76
  4. Step 4: Simplify right side
    19,638.24x = 305,023,354.19
  5. Step 5: Solve for x
    x = 305,023,354.19/19,638.24
  6. Step 6: Final answer
    x = 15,532.11

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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.