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Finding the Fourth Proportional to 14,393.17, 19,865.83 and 9,348.60

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Solution

The fourth proportional to 14,393.17, 19,865.83 and 9,348.60 is: 12,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.17 : 19,865.83 = 9,348.60 : x
  2. Step 2: Convert to fraction form
    14,393.17/19,865.83 = 9,348.60/x
  3. Step 3: Cross multiply
    14,393.17x = 19,865.83 × 9,348.60
  4. Step 4: Simplify right side
    14,393.17x = 185,717,698.34
  5. Step 5: Solve for x
    x = 185,717,698.34/14,393.17
  6. Step 6: Final answer
    x = 12,903.18

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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.