Home / 13,948.66-20,927.85-5,186.08

Finding the Fourth Proportional to 13,948.66, 20,927.85 and 5,186.08

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Solution

The fourth proportional to 13,948.66, 20,927.85 and 5,186.08 is: 7,780.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.66 : 20,927.85 = 5,186.08 : x
  2. Step 2: Convert to fraction form
    13,948.66/20,927.85 = 5,186.08/x
  3. Step 3: Cross multiply
    13,948.66x = 20,927.85 × 5,186.08
  4. Step 4: Simplify right side
    13,948.66x = 108,533,504.33
  5. Step 5: Solve for x
    x = 108,533,504.33/13,948.66
  6. Step 6: Final answer
    x = 7,780.93

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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.