Home / 14,919.04-20,587.84-8,204.66

Finding the Fourth Proportional to 14,919.04, 20,587.84 and 8,204.66

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Solution

The fourth proportional to 14,919.04, 20,587.84 and 8,204.66 is: 11,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.04 : 20,587.84 = 8,204.66 : x
  2. Step 2: Convert to fraction form
    14,919.04/20,587.84 = 8,204.66/x
  3. Step 3: Cross multiply
    14,919.04x = 20,587.84 × 8,204.66
  4. Step 4: Simplify right side
    14,919.04x = 168,916,227.33
  5. Step 5: Solve for x
    x = 168,916,227.33/14,919.04
  6. Step 6: Final answer
    x = 11,322.19

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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.