Home / 49,965.92-74,947.08-12,526.30

Finding the Fourth Proportional to 49,965.92, 74,947.08 and 12,526.30

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Solution

The fourth proportional to 49,965.92, 74,947.08 and 12,526.30 is: 18,789.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,965.92 : 74,947.08 = 12,526.30 : x
  2. Step 2: Convert to fraction form
    49,965.92/74,947.08 = 12,526.30/x
  3. Step 3: Cross multiply
    49,965.92x = 74,947.08 × 12,526.30
  4. Step 4: Simplify right side
    49,965.92x = 938,809,608.20
  5. Step 5: Solve for x
    x = 938,809,608.20/49,965.92
  6. Step 6: Final answer
    x = 18,789.00

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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.