Home / 19,139.46-26,419.67-11,184.27

Finding the Fourth Proportional to 19,139.46, 26,419.67 and 11,184.27

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Solution

The fourth proportional to 19,139.46, 26,419.67 and 11,184.27 is: 15,438.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.46 : 26,419.67 = 11,184.27 : x
  2. Step 2: Convert to fraction form
    19,139.46/26,419.67 = 11,184.27/x
  3. Step 3: Cross multiply
    19,139.46x = 26,419.67 × 11,184.27
  4. Step 4: Simplify right side
    19,139.46x = 295,484,534.57
  5. Step 5: Solve for x
    x = 295,484,534.57/19,139.46
  6. Step 6: Final answer
    x = 15,438.50

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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.