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Finding the Fourth Proportional to 14,395.53, 19,854.54 and 9,361.38

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Solution

The fourth proportional to 14,395.53, 19,854.54 and 9,361.38 is: 12,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.53 : 19,854.54 = 9,361.38 : x
  2. Step 2: Convert to fraction form
    14,395.53/19,854.54 = 9,361.38/x
  3. Step 3: Cross multiply
    14,395.53x = 19,854.54 × 9,361.38
  4. Step 4: Simplify right side
    14,395.53x = 185,865,893.67
  5. Step 5: Solve for x
    x = 185,865,893.67/14,395.53
  6. Step 6: Final answer
    x = 12,911.36

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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.