Home / 19,318.29-26,657.78-11,763.78

Finding the Fourth Proportional to 19,318.29, 26,657.78 and 11,763.78

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Solution

The fourth proportional to 19,318.29, 26,657.78 and 11,763.78 is: 16,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.29 : 26,657.78 = 11,763.78 : x
  2. Step 2: Convert to fraction form
    19,318.29/26,657.78 = 11,763.78/x
  3. Step 3: Cross multiply
    19,318.29x = 26,657.78 × 11,763.78
  4. Step 4: Simplify right side
    19,318.29x = 313,596,250.37
  5. Step 5: Solve for x
    x = 313,596,250.37/19,318.29
  6. Step 6: Final answer
    x = 16,233.13

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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.