Home / 19,753.86-27,263.35-11,255.95

Finding the Fourth Proportional to 19,753.86, 27,263.35 and 11,255.95

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Solution

The fourth proportional to 19,753.86, 27,263.35 and 11,255.95 is: 15,534.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753.86 : 27,263.35 = 11,255.95 : x
  2. Step 2: Convert to fraction form
    19,753.86/27,263.35 = 11,255.95/x
  3. Step 3: Cross multiply
    19,753.86x = 27,263.35 × 11,255.95
  4. Step 4: Simplify right side
    19,753.86x = 306,874,904.43
  5. Step 5: Solve for x
    x = 306,874,904.43/19,753.86
  6. Step 6: Final answer
    x = 15,534.93

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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.