Home / 19,513.26-26,929.20-11,018.76

Finding the Fourth Proportional to 19,513.26, 26,929.20 and 11,018.76

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Solution

The fourth proportional to 19,513.26, 26,929.20 and 11,018.76 is: 15,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.26 : 26,929.20 = 11,018.76 : x
  2. Step 2: Convert to fraction form
    19,513.26/26,929.20 = 11,018.76/x
  3. Step 3: Cross multiply
    19,513.26x = 26,929.20 × 11,018.76
  4. Step 4: Simplify right side
    19,513.26x = 296,726,391.79
  5. Step 5: Solve for x
    x = 296,726,391.79/19,513.26
  6. Step 6: Final answer
    x = 15,206.40

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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.