Home / 54,013.50-81,020.01-14,574.54

Finding the Fourth Proportional to 54,013.50, 81,020.01 and 14,574.54

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Solution

The fourth proportional to 54,013.50, 81,020.01 and 14,574.54 is: 21,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.50 : 81,020.01 = 14,574.54 : x
  2. Step 2: Convert to fraction form
    54,013.50/81,020.01 = 14,574.54/x
  3. Step 3: Cross multiply
    54,013.50x = 81,020.01 × 14,574.54
  4. Step 4: Simplify right side
    54,013.50x = 1,180,829,376.55
  5. Step 5: Solve for x
    x = 1,180,829,376.55/54,013.50
  6. Step 6: Final answer
    x = 21,861.75

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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.