Home / 14,604.68-20,155.52-8,317.08

Finding the Fourth Proportional to 14,604.68, 20,155.52 and 8,317.08

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Solution

The fourth proportional to 14,604.68, 20,155.52 and 8,317.08 is: 11,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.68 : 20,155.52 = 8,317.08 : x
  2. Step 2: Convert to fraction form
    14,604.68/20,155.52 = 8,317.08/x
  3. Step 3: Cross multiply
    14,604.68x = 20,155.52 × 8,317.08
  4. Step 4: Simplify right side
    14,604.68x = 167,635,072.28
  5. Step 5: Solve for x
    x = 167,635,072.28/14,604.68
  6. Step 6: Final answer
    x = 11,478.17

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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.