Home / 19,018.40-26,232.93-11,459.61

Finding the Fourth Proportional to 19,018.40, 26,232.93 and 11,459.61

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Solution

The fourth proportional to 19,018.40, 26,232.93 and 11,459.61 is: 15,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.40 : 26,232.93 = 11,459.61 : x
  2. Step 2: Convert to fraction form
    19,018.40/26,232.93 = 11,459.61/x
  3. Step 3: Cross multiply
    19,018.40x = 26,232.93 × 11,459.61
  4. Step 4: Simplify right side
    19,018.40x = 300,619,146.96
  5. Step 5: Solve for x
    x = 300,619,146.96/19,018.40
  6. Step 6: Final answer
    x = 15,806.76

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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.