Home / 13,952.30-19,252.02-8,921.02

Finding the Fourth Proportional to 13,952.30, 19,252.02 and 8,921.02

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Solution

The fourth proportional to 13,952.30, 19,252.02 and 8,921.02 is: 12,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.30 : 19,252.02 = 8,921.02 : x
  2. Step 2: Convert to fraction form
    13,952.30/19,252.02 = 8,921.02/x
  3. Step 3: Cross multiply
    13,952.30x = 19,252.02 × 8,921.02
  4. Step 4: Simplify right side
    13,952.30x = 171,747,655.46
  5. Step 5: Solve for x
    x = 171,747,655.46/13,952.30
  6. Step 6: Final answer
    x = 12,309.63

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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.