Home / 13,945.50-19,246.95-8,359.74

Finding the Fourth Proportional to 13,945.50, 19,246.95 and 8,359.74

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Solution

The fourth proportional to 13,945.50, 19,246.95 and 8,359.74 is: 11,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.50 : 19,246.95 = 8,359.74 : x
  2. Step 2: Convert to fraction form
    13,945.50/19,246.95 = 8,359.74/x
  3. Step 3: Cross multiply
    13,945.50x = 19,246.95 × 8,359.74
  4. Step 4: Simplify right side
    13,945.50x = 160,899,497.79
  5. Step 5: Solve for x
    x = 160,899,497.79/13,945.50
  6. Step 6: Final answer
    x = 11,537.74

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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.