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Finding the Fourth Proportional to 14,573.40, 21,876.30 and 8,012.40

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Solution

The fourth proportional to 14,573.40, 21,876.30 and 8,012.40 is: 12,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.40 : 21,876.30 = 8,012.40 : x
  2. Step 2: Convert to fraction form
    14,573.40/21,876.30 = 8,012.40/x
  3. Step 3: Cross multiply
    14,573.40x = 21,876.30 × 8,012.40
  4. Step 4: Simplify right side
    14,573.40x = 175,281,666.12
  5. Step 5: Solve for x
    x = 175,281,666.12/14,573.40
  6. Step 6: Final answer
    x = 12,027.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.