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Finding the Fourth Proportional to 14,038.70, 19,371.12 and 8,295.35

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Solution

The fourth proportional to 14,038.70, 19,371.12 and 8,295.35 is: 11,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.70 : 19,371.12 = 8,295.35 : x
  2. Step 2: Convert to fraction form
    14,038.70/19,371.12 = 8,295.35/x
  3. Step 3: Cross multiply
    14,038.70x = 19,371.12 × 8,295.35
  4. Step 4: Simplify right side
    14,038.70x = 160,690,261.83
  5. Step 5: Solve for x
    x = 160,690,261.83/14,038.70
  6. Step 6: Final answer
    x = 11,446.24

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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.