Home / 13,896.08-19,177.60-7,927.88

Finding the Fourth Proportional to 13,896.08, 19,177.60 and 7,927.88

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Solution

The fourth proportional to 13,896.08, 19,177.60 and 7,927.88 is: 10,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.08 : 19,177.60 = 7,927.88 : x
  2. Step 2: Convert to fraction form
    13,896.08/19,177.60 = 7,927.88/x
  3. Step 3: Cross multiply
    13,896.08x = 19,177.60 × 7,927.88
  4. Step 4: Simplify right side
    13,896.08x = 152,037,711.49
  5. Step 5: Solve for x
    x = 152,037,711.49/13,896.08
  6. Step 6: Final answer
    x = 10,941.05

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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.