Home / 19,501.28-26,912.02-11,003.38

Finding the Fourth Proportional to 19,501.28, 26,912.02 and 11,003.38

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Solution

The fourth proportional to 19,501.28, 26,912.02 and 11,003.38 is: 15,184.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.28 : 26,912.02 = 11,003.38 : x
  2. Step 2: Convert to fraction form
    19,501.28/26,912.02 = 11,003.38/x
  3. Step 3: Cross multiply
    19,501.28x = 26,912.02 × 11,003.38
  4. Step 4: Simplify right side
    19,501.28x = 296,123,182.63
  5. Step 5: Solve for x
    x = 296,123,182.63/19,501.28
  6. Step 6: Final answer
    x = 15,184.81

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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.