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Finding the Fourth Proportional to 14,602.08, 20,151.12 and 8,314.56

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Solution

The fourth proportional to 14,602.08, 20,151.12 and 8,314.56 is: 11,474.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.08 : 20,151.12 = 8,314.56 : x
  2. Step 2: Convert to fraction form
    14,602.08/20,151.12 = 8,314.56/x
  3. Step 3: Cross multiply
    14,602.08x = 20,151.12 × 8,314.56
  4. Step 4: Simplify right side
    14,602.08x = 167,547,696.31
  5. Step 5: Solve for x
    x = 167,547,696.31/14,602.08
  6. Step 6: Final answer
    x = 11,474.23

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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.