Home / 16,812.52-25,219.86-5,716.12

Finding the Fourth Proportional to 16,812.52, 25,219.86 and 5,716.12

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Solution

The fourth proportional to 16,812.52, 25,219.86 and 5,716.12 is: 8,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.52 : 25,219.86 = 5,716.12 : x
  2. Step 2: Convert to fraction form
    16,812.52/25,219.86 = 5,716.12/x
  3. Step 3: Cross multiply
    16,812.52x = 25,219.86 × 5,716.12
  4. Step 4: Simplify right side
    16,812.52x = 144,159,746.14
  5. Step 5: Solve for x
    x = 144,159,746.14/16,812.52
  6. Step 6: Final answer
    x = 8,574.55

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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.