Home / 19,253.97-26,560.80-13,288.95

Finding the Fourth Proportional to 19,253.97, 26,560.80 and 13,288.95

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Solution

The fourth proportional to 19,253.97, 26,560.80 and 13,288.95 is: 18,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.97 : 26,560.80 = 13,288.95 : x
  2. Step 2: Convert to fraction form
    19,253.97/26,560.80 = 13,288.95/x
  3. Step 3: Cross multiply
    19,253.97x = 26,560.80 × 13,288.95
  4. Step 4: Simplify right side
    19,253.97x = 352,965,143.16
  5. Step 5: Solve for x
    x = 352,965,143.16/19,253.97
  6. Step 6: Final answer
    x = 18,332.07

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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.