Home / 19,403.76-26,777.16-11,020.08

Finding the Fourth Proportional to 19,403.76, 26,777.16 and 11,020.08

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Solution

The fourth proportional to 19,403.76, 26,777.16 and 11,020.08 is: 15,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.76 : 26,777.16 = 11,020.08 : x
  2. Step 2: Convert to fraction form
    19,403.76/26,777.16 = 11,020.08/x
  3. Step 3: Cross multiply
    19,403.76x = 26,777.16 × 11,020.08
  4. Step 4: Simplify right side
    19,403.76x = 295,086,445.37
  5. Step 5: Solve for x
    x = 295,086,445.37/19,403.76
  6. Step 6: Final answer
    x = 15,207.69

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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.