Home / 19,458.57-26,847.87-11,902.14

Finding the Fourth Proportional to 19,458.57, 26,847.87 and 11,902.14

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Solution

The fourth proportional to 19,458.57, 26,847.87 and 11,902.14 is: 16,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.57 : 26,847.87 = 11,902.14 : x
  2. Step 2: Convert to fraction form
    19,458.57/26,847.87 = 11,902.14/x
  3. Step 3: Cross multiply
    19,458.57x = 26,847.87 × 11,902.14
  4. Step 4: Simplify right side
    19,458.57x = 319,546,913.69
  5. Step 5: Solve for x
    x = 319,546,913.69/19,458.57
  6. Step 6: Final answer
    x = 16,421.92

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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.