Home / 13,047.15-19,572.26-4,159.38

Finding the Fourth Proportional to 13,047.15, 19,572.26 and 4,159.38

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Solution

The fourth proportional to 13,047.15, 19,572.26 and 4,159.38 is: 6,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.15 : 19,572.26 = 4,159.38 : x
  2. Step 2: Convert to fraction form
    13,047.15/19,572.26 = 4,159.38/x
  3. Step 3: Cross multiply
    13,047.15x = 19,572.26 × 4,159.38
  4. Step 4: Simplify right side
    13,047.15x = 81,408,519.40
  5. Step 5: Solve for x
    x = 81,408,519.40/13,047.15
  6. Step 6: Final answer
    x = 6,239.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.