Home / 21,966.12-32,982.06-19,013.70

Finding the Fourth Proportional to 21,966.12, 32,982.06 and 19,013.70

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Solution

The fourth proportional to 21,966.12, 32,982.06 and 19,013.70 is: 28,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.12 : 32,982.06 = 19,013.70 : x
  2. Step 2: Convert to fraction form
    21,966.12/32,982.06 = 19,013.70/x
  3. Step 3: Cross multiply
    21,966.12x = 32,982.06 × 19,013.70
  4. Step 4: Simplify right side
    21,966.12x = 627,110,994.22
  5. Step 5: Solve for x
    x = 627,110,994.22/21,966.12
  6. Step 6: Final answer
    x = 28,549.01

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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.