Home / 19,164.00-28,746.01-8,621.71

Finding the Fourth Proportional to 19,164.00, 28,746.01 and 8,621.71

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Solution

The fourth proportional to 19,164.00, 28,746.01 and 8,621.71 is: 12,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.00 : 28,746.01 = 8,621.71 : x
  2. Step 2: Convert to fraction form
    19,164.00/28,746.01 = 8,621.71/x
  3. Step 3: Cross multiply
    19,164.00x = 28,746.01 × 8,621.71
  4. Step 4: Simplify right side
    19,164.00x = 247,839,808.59
  5. Step 5: Solve for x
    x = 247,839,808.59/19,164.00
  6. Step 6: Final answer
    x = 12,932.57

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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.