Home / 19,746.55-27,240.92-11,674.76

Finding the Fourth Proportional to 19,746.55, 27,240.92 and 11,674.76

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Solution

The fourth proportional to 19,746.55, 27,240.92 and 11,674.76 is: 16,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.55 : 27,240.92 = 11,674.76 : x
  2. Step 2: Convert to fraction form
    19,746.55/27,240.92 = 11,674.76/x
  3. Step 3: Cross multiply
    19,746.55x = 27,240.92 × 11,674.76
  4. Step 4: Simplify right side
    19,746.55x = 318,031,144.81
  5. Step 5: Solve for x
    x = 318,031,144.81/19,746.55
  6. Step 6: Final answer
    x = 16,105.66

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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.