Home / 53,965.17-80,947.91-18,896.63

Finding the Fourth Proportional to 53,965.17, 80,947.91 and 18,896.63

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Solution

The fourth proportional to 53,965.17, 80,947.91 and 18,896.63 is: 28,344.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,965.17 : 80,947.91 = 18,896.63 : x
  2. Step 2: Convert to fraction form
    53,965.17/80,947.91 = 18,896.63/x
  3. Step 3: Cross multiply
    53,965.17x = 80,947.91 × 18,896.63
  4. Step 4: Simplify right side
    53,965.17x = 1,529,642,205.32
  5. Step 5: Solve for x
    x = 1,529,642,205.32/53,965.17
  6. Step 6: Final answer
    x = 28,344.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.