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Finding the Fourth Proportional to 14,293.60, 19,718.52 and 9,259.52

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Solution

The fourth proportional to 14,293.60, 19,718.52 and 9,259.52 is: 12,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.60 : 19,718.52 = 9,259.52 : x
  2. Step 2: Convert to fraction form
    14,293.60/19,718.52 = 9,259.52/x
  3. Step 3: Cross multiply
    14,293.60x = 19,718.52 × 9,259.52
  4. Step 4: Simplify right side
    14,293.60x = 182,583,949.08
  5. Step 5: Solve for x
    x = 182,583,949.08/14,293.60
  6. Step 6: Final answer
    x = 12,773.83

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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.