Home / 43,577.51-65,377.16-12,412.76

Finding the Fourth Proportional to 43,577.51, 65,377.16 and 12,412.76

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Solution

The fourth proportional to 43,577.51, 65,377.16 and 12,412.76 is: 18,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,577.51 : 65,377.16 = 12,412.76 : x
  2. Step 2: Convert to fraction form
    43,577.51/65,377.16 = 12,412.76/x
  3. Step 3: Cross multiply
    43,577.51x = 65,377.16 × 12,412.76
  4. Step 4: Simplify right side
    43,577.51x = 811,510,996.56
  5. Step 5: Solve for x
    x = 811,510,996.56/43,577.51
  6. Step 6: Final answer
    x = 18,622.24

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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.