Home / 43,264.98-64,901.12-13,682.16

Finding the Fourth Proportional to 43,264.98, 64,901.12 and 13,682.16

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Solution

The fourth proportional to 43,264.98, 64,901.12 and 13,682.16 is: 20,524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,264.98 : 64,901.12 = 13,682.16 : x
  2. Step 2: Convert to fraction form
    43,264.98/64,901.12 = 13,682.16/x
  3. Step 3: Cross multiply
    43,264.98x = 64,901.12 × 13,682.16
  4. Step 4: Simplify right side
    43,264.98x = 887,987,439.61
  5. Step 5: Solve for x
    x = 887,987,439.61/43,264.98
  6. Step 6: Final answer
    x = 20,524.39

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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.