Home / 19,110.36-26,366.40-11,150.76

Finding the Fourth Proportional to 19,110.36, 26,366.40 and 11,150.76

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Solution

The fourth proportional to 19,110.36, 26,366.40 and 11,150.76 is: 15,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.36 : 26,366.40 = 11,150.76 : x
  2. Step 2: Convert to fraction form
    19,110.36/26,366.40 = 11,150.76/x
  3. Step 3: Cross multiply
    19,110.36x = 26,366.40 × 11,150.76
  4. Step 4: Simplify right side
    19,110.36x = 294,005,398.46
  5. Step 5: Solve for x
    x = 294,005,398.46/19,110.36
  6. Step 6: Final answer
    x = 15,384.61

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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.