Home / 19,565.67-27,001.08-11,906.31

Finding the Fourth Proportional to 19,565.67, 27,001.08 and 11,906.31

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Solution

The fourth proportional to 19,565.67, 27,001.08 and 11,906.31 is: 16,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.67 : 27,001.08 = 11,906.31 : x
  2. Step 2: Convert to fraction form
    19,565.67/27,001.08 = 11,906.31/x
  3. Step 3: Cross multiply
    19,565.67x = 27,001.08 × 11,906.31
  4. Step 4: Simplify right side
    19,565.67x = 321,483,228.81
  5. Step 5: Solve for x
    x = 321,483,228.81/19,565.67
  6. Step 6: Final answer
    x = 16,430.98

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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.