Home / 13,730.93-20,589.10-6,712.18

Finding the Fourth Proportional to 13,730.93, 20,589.10 and 6,712.18

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Solution

The fourth proportional to 13,730.93, 20,589.10 and 6,712.18 is: 10,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.93 : 20,589.10 = 6,712.18 : x
  2. Step 2: Convert to fraction form
    13,730.93/20,589.10 = 6,712.18/x
  3. Step 3: Cross multiply
    13,730.93x = 20,589.10 × 6,712.18
  4. Step 4: Simplify right side
    13,730.93x = 138,197,676.98
  5. Step 5: Solve for x
    x = 138,197,676.98/13,730.93
  6. Step 6: Final answer
    x = 10,064.70

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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.