Home / 54,002.50-81,007.98-14,559.01

Finding the Fourth Proportional to 54,002.50, 81,007.98 and 14,559.01

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Solution

The fourth proportional to 54,002.50, 81,007.98 and 14,559.01 is: 21,839.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,002.50 : 81,007.98 = 14,559.01 : x
  2. Step 2: Convert to fraction form
    54,002.50/81,007.98 = 14,559.01/x
  3. Step 3: Cross multiply
    54,002.50x = 81,007.98 × 14,559.01
  4. Step 4: Simplify right side
    54,002.50x = 1,179,395,990.90
  5. Step 5: Solve for x
    x = 1,179,395,990.90/54,002.50
  6. Step 6: Final answer
    x = 21,839.66

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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.