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Finding the Fourth Proportional to 14,122.65, 19,501.65 and 8,826.51

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Solution

The fourth proportional to 14,122.65, 19,501.65 and 8,826.51 is: 12,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.65 : 19,501.65 = 8,826.51 : x
  2. Step 2: Convert to fraction form
    14,122.65/19,501.65 = 8,826.51/x
  3. Step 3: Cross multiply
    14,122.65x = 19,501.65 × 8,826.51
  4. Step 4: Simplify right side
    14,122.65x = 172,131,508.74
  5. Step 5: Solve for x
    x = 172,131,508.74/14,122.65
  6. Step 6: Final answer
    x = 12,188.33

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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.