Home / 14,918.96-20,587.75-8,204.58

Finding the Fourth Proportional to 14,918.96, 20,587.75 and 8,204.58

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Solution

The fourth proportional to 14,918.96, 20,587.75 and 8,204.58 is: 11,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.96 : 20,587.75 = 8,204.58 : x
  2. Step 2: Convert to fraction form
    14,918.96/20,587.75 = 8,204.58/x
  3. Step 3: Cross multiply
    14,918.96x = 20,587.75 × 8,204.58
  4. Step 4: Simplify right side
    14,918.96x = 168,913,821.38
  5. Step 5: Solve for x
    x = 168,913,821.38/14,918.96
  6. Step 6: Final answer
    x = 11,322.09

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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.