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Finding the Fourth Proportional to 14,873.68, 20,523.54 and 9,284.68

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Solution

The fourth proportional to 14,873.68, 20,523.54 and 9,284.68 is: 12,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.68 : 20,523.54 = 9,284.68 : x
  2. Step 2: Convert to fraction form
    14,873.68/20,523.54 = 9,284.68/x
  3. Step 3: Cross multiply
    14,873.68x = 20,523.54 × 9,284.68
  4. Step 4: Simplify right side
    14,873.68x = 190,554,501.37
  5. Step 5: Solve for x
    x = 190,554,501.37/14,873.68
  6. Step 6: Final answer
    x = 12,811.52

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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.