Home / 19,519.18-26,929.74-11,020.24

Finding the Fourth Proportional to 19,519.18, 26,929.74 and 11,020.24

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Solution

The fourth proportional to 19,519.18, 26,929.74 and 11,020.24 is: 15,204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.18 : 26,929.74 = 11,020.24 : x
  2. Step 2: Convert to fraction form
    19,519.18/26,929.74 = 11,020.24/x
  3. Step 3: Cross multiply
    19,519.18x = 26,929.74 × 11,020.24
  4. Step 4: Simplify right side
    19,519.18x = 296,772,197.94
  5. Step 5: Solve for x
    x = 296,772,197.94/19,519.18
  6. Step 6: Final answer
    x = 15,204.13

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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.