Home / 53,591.94-80,407.41-18,535.14

Finding the Fourth Proportional to 53,591.94, 80,407.41 and 18,535.14

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Solution

The fourth proportional to 53,591.94, 80,407.41 and 18,535.14 is: 27,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,591.94 : 80,407.41 = 18,535.14 : x
  2. Step 2: Convert to fraction form
    53,591.94/80,407.41 = 18,535.14/x
  3. Step 3: Cross multiply
    53,591.94x = 80,407.41 × 18,535.14
  4. Step 4: Simplify right side
    53,591.94x = 1,490,362,601.39
  5. Step 5: Solve for x
    x = 1,490,362,601.39/53,591.94
  6. Step 6: Final answer
    x = 27,809.45

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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.