Home / 14,574.97-21,857.07-5,212.45

Finding the Fourth Proportional to 14,574.97, 21,857.07 and 5,212.45

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Solution

The fourth proportional to 14,574.97, 21,857.07 and 5,212.45 is: 7,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.97 : 21,857.07 = 5,212.45 : x
  2. Step 2: Convert to fraction form
    14,574.97/21,857.07 = 5,212.45/x
  3. Step 3: Cross multiply
    14,574.97x = 21,857.07 × 5,212.45
  4. Step 4: Simplify right side
    14,574.97x = 113,928,931.39
  5. Step 5: Solve for x
    x = 113,928,931.39/14,574.97
  6. Step 6: Final answer
    x = 7,816.75

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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.