Home / 19,397.60-26,767.98-11,856.56

Finding the Fourth Proportional to 19,397.60, 26,767.98 and 11,856.56

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Solution

The fourth proportional to 19,397.60, 26,767.98 and 11,856.56 is: 16,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.60 : 26,767.98 = 11,856.56 : x
  2. Step 2: Convert to fraction form
    19,397.60/26,767.98 = 11,856.56/x
  3. Step 3: Cross multiply
    19,397.60x = 26,767.98 × 11,856.56
  4. Step 4: Simplify right side
    19,397.60x = 317,376,160.95
  5. Step 5: Solve for x
    x = 317,376,160.95/19,397.60
  6. Step 6: Final answer
    x = 16,361.62

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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.