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Finding the Fourth Proportional to 14,373.30, 19,836.99 and 8,085.63

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Solution

The fourth proportional to 14,373.30, 19,836.99 and 8,085.63 is: 11,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.30 : 19,836.99 = 8,085.63 : x
  2. Step 2: Convert to fraction form
    14,373.30/19,836.99 = 8,085.63/x
  3. Step 3: Cross multiply
    14,373.30x = 19,836.99 × 8,085.63
  4. Step 4: Simplify right side
    14,373.30x = 160,394,561.45
  5. Step 5: Solve for x
    x = 160,394,561.45/14,373.30
  6. Step 6: Final answer
    x = 11,159.20

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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.