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Finding the Fourth Proportional to 14,465.16, 19,958.40 and 8,497.08

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Solution

The fourth proportional to 14,465.16, 19,958.40 and 8,497.08 is: 11,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.16 : 19,958.40 = 8,497.08 : x
  2. Step 2: Convert to fraction form
    14,465.16/19,958.40 = 8,497.08/x
  3. Step 3: Cross multiply
    14,465.16x = 19,958.40 × 8,497.08
  4. Step 4: Simplify right side
    14,465.16x = 169,588,121.47
  5. Step 5: Solve for x
    x = 169,588,121.47/14,465.16
  6. Step 6: Final answer
    x = 11,723.90

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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.