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Finding the Fourth Proportional to 14,398.68, 19,869.88 and 8,025.26

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Solution

The fourth proportional to 14,398.68, 19,869.88 and 8,025.26 is: 11,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.68 : 19,869.88 = 8,025.26 : x
  2. Step 2: Convert to fraction form
    14,398.68/19,869.88 = 8,025.26/x
  3. Step 3: Cross multiply
    14,398.68x = 19,869.88 × 8,025.26
  4. Step 4: Simplify right side
    14,398.68x = 159,460,953.17
  5. Step 5: Solve for x
    x = 159,460,953.17/14,398.68
  6. Step 6: Final answer
    x = 11,074.69

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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.