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Finding the Fourth Proportional to 14,903.14, 20,562.93 and 8,935.90

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Solution

The fourth proportional to 14,903.14, 20,562.93 and 8,935.90 is: 12,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.14 : 20,562.93 = 8,935.90 : x
  2. Step 2: Convert to fraction form
    14,903.14/20,562.93 = 8,935.90/x
  3. Step 3: Cross multiply
    14,903.14x = 20,562.93 × 8,935.90
  4. Step 4: Simplify right side
    14,903.14x = 183,748,286.19
  5. Step 5: Solve for x
    x = 183,748,286.19/14,903.14
  6. Step 6: Final answer
    x = 12,329.50

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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.