Home / 14,746.41-20,348.28-8,373.78

Finding the Fourth Proportional to 14,746.41, 20,348.28 and 8,373.78

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Solution

The fourth proportional to 14,746.41, 20,348.28 and 8,373.78 is: 11,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.41 : 20,348.28 = 8,373.78 : x
  2. Step 2: Convert to fraction form
    14,746.41/20,348.28 = 8,373.78/x
  3. Step 3: Cross multiply
    14,746.41x = 20,348.28 × 8,373.78
  4. Step 4: Simplify right side
    14,746.41x = 170,392,020.10
  5. Step 5: Solve for x
    x = 170,392,020.10/14,746.41
  6. Step 6: Final answer
    x = 11,554.81

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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.