Home / 32,982.31-45,515.64-19,560.16

Finding the Fourth Proportional to 32,982.31, 45,515.64 and 19,560.16

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Solution

The fourth proportional to 32,982.31, 45,515.64 and 19,560.16 is: 26,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,982.31 : 45,515.64 = 19,560.16 : x
  2. Step 2: Convert to fraction form
    32,982.31/45,515.64 = 19,560.16/x
  3. Step 3: Cross multiply
    32,982.31x = 45,515.64 × 19,560.16
  4. Step 4: Simplify right side
    32,982.31x = 890,293,200.90
  5. Step 5: Solve for x
    x = 890,293,200.90/32,982.31
  6. Step 6: Final answer
    x = 26,993.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.