Home / 21,716.14-32,574.56-8,568.40

Finding the Fourth Proportional to 21,716.14, 32,574.56 and 8,568.40

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Solution

The fourth proportional to 21,716.14, 32,574.56 and 8,568.40 is: 12,852.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716.14 : 32,574.56 = 8,568.40 : x
  2. Step 2: Convert to fraction form
    21,716.14/32,574.56 = 8,568.40/x
  3. Step 3: Cross multiply
    21,716.14x = 32,574.56 × 8,568.40
  4. Step 4: Simplify right side
    21,716.14x = 279,111,817.06
  5. Step 5: Solve for x
    x = 279,111,817.06/21,716.14
  6. Step 6: Final answer
    x = 12,852.74

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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.