Home / 19,863.18-27,411.70-11,248.67

Finding the Fourth Proportional to 19,863.18, 27,411.70 and 11,248.67

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Solution

The fourth proportional to 19,863.18, 27,411.70 and 11,248.67 is: 15,523.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.18 : 27,411.70 = 11,248.67 : x
  2. Step 2: Convert to fraction form
    19,863.18/27,411.70 = 11,248.67/x
  3. Step 3: Cross multiply
    19,863.18x = 27,411.70 × 11,248.67
  4. Step 4: Simplify right side
    19,863.18x = 308,345,167.44
  5. Step 5: Solve for x
    x = 308,345,167.44/19,863.18
  6. Step 6: Final answer
    x = 15,523.45

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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.