Home / 43,580.14-65,364-13,994.13

Finding the Fourth Proportional to 43,580.14, 65,364 and 13,994.13

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Solution

The fourth proportional to 43,580.14, 65,364 and 13,994.13 is: 20,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,580.14 : 65,364 = 13,994.13 : x
  2. Step 2: Convert to fraction form
    43,580.14/65,364 = 13,994.13/x
  3. Step 3: Cross multiply
    43,580.14x = 65,364 × 13,994.13
  4. Step 4: Simplify right side
    43,580.14x = 914,712,313.32
  5. Step 5: Solve for x
    x = 914,712,313.32/43,580.14
  6. Step 6: Final answer
    x = 20,989.20

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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.