Home / 13,471.04-18,591.36-8,167.52

Finding the Fourth Proportional to 13,471.04, 18,591.36 and 8,167.52

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Solution

The fourth proportional to 13,471.04, 18,591.36 and 8,167.52 is: 11,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.04 : 18,591.36 = 8,167.52 : x
  2. Step 2: Convert to fraction form
    13,471.04/18,591.36 = 8,167.52/x
  3. Step 3: Cross multiply
    13,471.04x = 18,591.36 × 8,167.52
  4. Step 4: Simplify right side
    13,471.04x = 151,845,304.63
  5. Step 5: Solve for x
    x = 151,845,304.63/13,471.04
  6. Step 6: Final answer
    x = 11,271.98

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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.