Home / 54,351.20-81,518.06-14,899.10

Finding the Fourth Proportional to 54,351.20, 81,518.06 and 14,899.10

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Solution

The fourth proportional to 54,351.20, 81,518.06 and 14,899.10 is: 22,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,351.20 : 81,518.06 = 14,899.10 : x
  2. Step 2: Convert to fraction form
    54,351.20/81,518.06 = 14,899.10/x
  3. Step 3: Cross multiply
    54,351.20x = 81,518.06 × 14,899.10
  4. Step 4: Simplify right side
    54,351.20x = 1,214,545,727.75
  5. Step 5: Solve for x
    x = 1,214,545,727.75/54,351.20
  6. Step 6: Final answer
    x = 22,346.25

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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.