Home / 13,897.64-19,182.15-7,932.74

Finding the Fourth Proportional to 13,897.64, 19,182.15 and 7,932.74

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Solution

The fourth proportional to 13,897.64, 19,182.15 and 7,932.74 is: 10,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.64 : 19,182.15 = 7,932.74 : x
  2. Step 2: Convert to fraction form
    13,897.64/19,182.15 = 7,932.74/x
  3. Step 3: Cross multiply
    13,897.64x = 19,182.15 × 7,932.74
  4. Step 4: Simplify right side
    13,897.64x = 152,166,912.68
  5. Step 5: Solve for x
    x = 152,166,912.68/13,897.64
  6. Step 6: Final answer
    x = 10,949.12

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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.