Home / 54,013.50-81,019.98-14,574.60

Finding the Fourth Proportional to 54,013.50, 81,019.98 and 14,574.60

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Solution

The fourth proportional to 54,013.50, 81,019.98 and 14,574.60 is: 21,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.50 : 81,019.98 = 14,574.60 : x
  2. Step 2: Convert to fraction form
    54,013.50/81,019.98 = 14,574.60/x
  3. Step 3: Cross multiply
    54,013.50x = 81,019.98 × 14,574.60
  4. Step 4: Simplify right side
    54,013.50x = 1,180,833,800.51
  5. Step 5: Solve for x
    x = 1,180,833,800.51/54,013.50
  6. Step 6: Final answer
    x = 21,861.83

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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.