Home / 19,591.17-27,036.28-10,639.05

Finding the Fourth Proportional to 19,591.17, 27,036.28 and 10,639.05

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Solution

The fourth proportional to 19,591.17, 27,036.28 and 10,639.05 is: 14,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.17 : 27,036.28 = 10,639.05 : x
  2. Step 2: Convert to fraction form
    19,591.17/27,036.28 = 10,639.05/x
  3. Step 3: Cross multiply
    19,591.17x = 27,036.28 × 10,639.05
  4. Step 4: Simplify right side
    19,591.17x = 287,640,334.73
  5. Step 5: Solve for x
    x = 287,640,334.73/19,591.17
  6. Step 6: Final answer
    x = 14,682.14

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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.