Home / 43,625.63-65,463.14-18,663.46

Finding the Fourth Proportional to 43,625.63, 65,463.14 and 18,663.46

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Solution

The fourth proportional to 43,625.63, 65,463.14 and 18,663.46 is: 28,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,625.63 : 65,463.14 = 18,663.46 : x
  2. Step 2: Convert to fraction form
    43,625.63/65,463.14 = 18,663.46/x
  3. Step 3: Cross multiply
    43,625.63x = 65,463.14 × 18,663.46
  4. Step 4: Simplify right side
    43,625.63x = 1,221,768,577.87
  5. Step 5: Solve for x
    x = 1,221,768,577.87/43,625.63
  6. Step 6: Final answer
    x = 28,005.75

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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.