Home / 19,111.28-26,373.73-11,151.96

Finding the Fourth Proportional to 19,111.28, 26,373.73 and 11,151.96

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Solution

The fourth proportional to 19,111.28, 26,373.73 and 11,151.96 is: 15,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.28 : 26,373.73 = 11,151.96 : x
  2. Step 2: Convert to fraction form
    19,111.28/26,373.73 = 11,151.96/x
  3. Step 3: Cross multiply
    19,111.28x = 26,373.73 × 11,151.96
  4. Step 4: Simplify right side
    19,111.28x = 294,118,793.13
  5. Step 5: Solve for x
    x = 294,118,793.13/19,111.28
  6. Step 6: Final answer
    x = 15,389.80

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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.