Home / 19,418.83-26,797.74-10,920.95

Finding the Fourth Proportional to 19,418.83, 26,797.74 and 10,920.95

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Solution

The fourth proportional to 19,418.83, 26,797.74 and 10,920.95 is: 15,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.83 : 26,797.74 = 10,920.95 : x
  2. Step 2: Convert to fraction form
    19,418.83/26,797.74 = 10,920.95/x
  3. Step 3: Cross multiply
    19,418.83x = 26,797.74 × 10,920.95
  4. Step 4: Simplify right side
    19,418.83x = 292,656,840.06
  5. Step 5: Solve for x
    x = 292,656,840.06/19,418.83
  6. Step 6: Final answer
    x = 15,070.77

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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.