Home / 19,591.87-27,036.98-10,639.45

Finding the Fourth Proportional to 19,591.87, 27,036.98 and 10,639.45

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Solution

The fourth proportional to 19,591.87, 27,036.98 and 10,639.45 is: 14,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.87 : 27,036.98 = 10,639.45 : x
  2. Step 2: Convert to fraction form
    19,591.87/27,036.98 = 10,639.45/x
  3. Step 3: Cross multiply
    19,591.87x = 27,036.98 × 10,639.45
  4. Step 4: Simplify right side
    19,591.87x = 287,658,596.86
  5. Step 5: Solve for x
    x = 287,658,596.86/19,591.87
  6. Step 6: Final answer
    x = 14,682.55

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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.