Home / 54,363.26-81,525.35-18,814.93

Finding the Fourth Proportional to 54,363.26, 81,525.35 and 18,814.93

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Solution

The fourth proportional to 54,363.26, 81,525.35 and 18,814.93 is: 28,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,363.26 : 81,525.35 = 18,814.93 : x
  2. Step 2: Convert to fraction form
    54,363.26/81,525.35 = 18,814.93/x
  3. Step 3: Cross multiply
    54,363.26x = 81,525.35 × 18,814.93
  4. Step 4: Simplify right side
    54,363.26x = 1,533,893,455.59
  5. Step 5: Solve for x
    x = 1,533,893,455.59/54,363.26
  6. Step 6: Final answer
    x = 28,215.63

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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.