Home / 15,797.20-21,800.12-9,084.14

Finding the Fourth Proportional to 15,797.20, 21,800.12 and 9,084.14

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Solution

The fourth proportional to 15,797.20, 21,800.12 and 9,084.14 is: 12,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,797.20 : 21,800.12 = 9,084.14 : x
  2. Step 2: Convert to fraction form
    15,797.20/21,800.12 = 9,084.14/x
  3. Step 3: Cross multiply
    15,797.20x = 21,800.12 × 9,084.14
  4. Step 4: Simplify right side
    15,797.20x = 198,035,342.10
  5. Step 5: Solve for x
    x = 198,035,342.10/15,797.20
  6. Step 6: Final answer
    x = 12,536.10

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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.