Home / 13,137.48-19,693.64-4,366.23

Finding the Fourth Proportional to 13,137.48, 19,693.64 and 4,366.23

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Solution

The fourth proportional to 13,137.48, 19,693.64 and 4,366.23 is: 6,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137.48 : 19,693.64 = 4,366.23 : x
  2. Step 2: Convert to fraction form
    13,137.48/19,693.64 = 4,366.23/x
  3. Step 3: Cross multiply
    13,137.48x = 19,693.64 × 4,366.23
  4. Step 4: Simplify right side
    13,137.48x = 85,986,939.95
  5. Step 5: Solve for x
    x = 85,986,939.95/13,137.48
  6. Step 6: Final answer
    x = 6,545.16

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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.