Home / 54,013.25-81,019.64-14,574.29

Finding the Fourth Proportional to 54,013.25, 81,019.64 and 14,574.29

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Solution

The fourth proportional to 54,013.25, 81,019.64 and 14,574.29 is: 21,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.25 : 81,019.64 = 14,574.29 : x
  2. Step 2: Convert to fraction form
    54,013.25/81,019.64 = 14,574.29/x
  3. Step 3: Cross multiply
    54,013.25x = 81,019.64 × 14,574.29
  4. Step 4: Simplify right side
    54,013.25x = 1,180,803,656.18
  5. Step 5: Solve for x
    x = 1,180,803,656.18/54,013.25
  6. Step 6: Final answer
    x = 21,861.37

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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.