Home / 13,952.61-20,916.27-5,065.86

Finding the Fourth Proportional to 13,952.61, 20,916.27 and 5,065.86

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Solution

The fourth proportional to 13,952.61, 20,916.27 and 5,065.86 is: 7,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.61 : 20,916.27 = 5,065.86 : x
  2. Step 2: Convert to fraction form
    13,952.61/20,916.27 = 5,065.86/x
  3. Step 3: Cross multiply
    13,952.61x = 20,916.27 × 5,065.86
  4. Step 4: Simplify right side
    13,952.61x = 105,958,895.54
  5. Step 5: Solve for x
    x = 105,958,895.54/13,952.61
  6. Step 6: Final answer
    x = 7,594.20

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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.