Home / 13,967.57-19,278.23-8,589.98

Finding the Fourth Proportional to 13,967.57, 19,278.23 and 8,589.98

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Solution

The fourth proportional to 13,967.57, 19,278.23 and 8,589.98 is: 11,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.57 : 19,278.23 = 8,589.98 : x
  2. Step 2: Convert to fraction form
    13,967.57/19,278.23 = 8,589.98/x
  3. Step 3: Cross multiply
    13,967.57x = 19,278.23 × 8,589.98
  4. Step 4: Simplify right side
    13,967.57x = 165,599,470.79
  5. Step 5: Solve for x
    x = 165,599,470.79/13,967.57
  6. Step 6: Final answer
    x = 11,856.00

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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.