Home / 35,912.94-53,861.31-13,718.40

Finding the Fourth Proportional to 35,912.94, 53,861.31 and 13,718.40

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Solution

The fourth proportional to 35,912.94, 53,861.31 and 13,718.40 is: 20,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.94 : 53,861.31 = 13,718.40 : x
  2. Step 2: Convert to fraction form
    35,912.94/53,861.31 = 13,718.40/x
  3. Step 3: Cross multiply
    35,912.94x = 53,861.31 × 13,718.40
  4. Step 4: Simplify right side
    35,912.94x = 738,890,995.10
  5. Step 5: Solve for x
    x = 738,890,995.10/35,912.94
  6. Step 6: Final answer
    x = 20,574.51

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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.