Home / 54,218.10-81,326.61-14,774.70

Finding the Fourth Proportional to 54,218.10, 81,326.61 and 14,774.70

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Solution

The fourth proportional to 54,218.10, 81,326.61 and 14,774.70 is: 22,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,218.10 : 81,326.61 = 14,774.70 : x
  2. Step 2: Convert to fraction form
    54,218.10/81,326.61 = 14,774.70/x
  3. Step 3: Cross multiply
    54,218.10x = 81,326.61 × 14,774.70
  4. Step 4: Simplify right side
    54,218.10x = 1,201,576,264.77
  5. Step 5: Solve for x
    x = 1,201,576,264.77/54,218.10
  6. Step 6: Final answer
    x = 22,161.90

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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.