Home / 19,247.09-26,555.18-11,179.19

Finding the Fourth Proportional to 19,247.09, 26,555.18 and 11,179.19

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Solution

The fourth proportional to 19,247.09, 26,555.18 and 11,179.19 is: 15,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.09 : 26,555.18 = 11,179.19 : x
  2. Step 2: Convert to fraction form
    19,247.09/26,555.18 = 11,179.19/x
  3. Step 3: Cross multiply
    19,247.09x = 26,555.18 × 11,179.19
  4. Step 4: Simplify right side
    19,247.09x = 296,865,402.70
  5. Step 5: Solve for x
    x = 296,865,402.70/19,247.09
  6. Step 6: Final answer
    x = 15,423.91

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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.