Home / 43,165.02-64,742.85-11,578.26

Finding the Fourth Proportional to 43,165.02, 64,742.85 and 11,578.26

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Solution

The fourth proportional to 43,165.02, 64,742.85 and 11,578.26 is: 17,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,165.02 : 64,742.85 = 11,578.26 : x
  2. Step 2: Convert to fraction form
    43,165.02/64,742.85 = 11,578.26/x
  3. Step 3: Cross multiply
    43,165.02x = 64,742.85 × 11,578.26
  4. Step 4: Simplify right side
    43,165.02x = 749,609,550.44
  5. Step 5: Solve for x
    x = 749,609,550.44/43,165.02
  6. Step 6: Final answer
    x = 17,366.13

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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.