Home / 14,615.96-20,146.32-11,423.61

Finding the Fourth Proportional to 14,615.96, 20,146.32 and 11,423.61

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Solution

The fourth proportional to 14,615.96, 20,146.32 and 11,423.61 is: 15,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.96 : 20,146.32 = 11,423.61 : x
  2. Step 2: Convert to fraction form
    14,615.96/20,146.32 = 11,423.61/x
  3. Step 3: Cross multiply
    14,615.96x = 20,146.32 × 11,423.61
  4. Step 4: Simplify right side
    14,615.96x = 230,143,702.62
  5. Step 5: Solve for x
    x = 230,143,702.62/14,615.96
  6. Step 6: Final answer
    x = 15,746.06

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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.