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Finding the Fourth Proportional to 14,360.55, 19,812.98 and 8,693.49

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Solution

The fourth proportional to 14,360.55, 19,812.98 and 8,693.49 is: 11,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,360.55 : 19,812.98 = 8,693.49 : x
  2. Step 2: Convert to fraction form
    14,360.55/19,812.98 = 8,693.49/x
  3. Step 3: Cross multiply
    14,360.55x = 19,812.98 × 8,693.49
  4. Step 4: Simplify right side
    14,360.55x = 172,243,900.03
  5. Step 5: Solve for x
    x = 172,243,900.03/14,360.55
  6. Step 6: Final answer
    x = 11,994.24

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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.