Home / 14,918.36-20,587.40-8,204.42

Finding the Fourth Proportional to 14,918.36, 20,587.40 and 8,204.42

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Solution

The fourth proportional to 14,918.36, 20,587.40 and 8,204.42 is: 11,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.36 : 20,587.40 = 8,204.42 : x
  2. Step 2: Convert to fraction form
    14,918.36/20,587.40 = 8,204.42/x
  3. Step 3: Cross multiply
    14,918.36x = 20,587.40 × 8,204.42
  4. Step 4: Simplify right side
    14,918.36x = 168,907,532.35
  5. Step 5: Solve for x
    x = 168,907,532.35/14,918.36
  6. Step 6: Final answer
    x = 11,322.13

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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.