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Finding the Fourth Proportional to 14,971.19, 20,659.47 and 8,593.35

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Solution

The fourth proportional to 14,971.19, 20,659.47 and 8,593.35 is: 11,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,971.19 : 20,659.47 = 8,593.35 : x
  2. Step 2: Convert to fraction form
    14,971.19/20,659.47 = 8,593.35/x
  3. Step 3: Cross multiply
    14,971.19x = 20,659.47 × 8,593.35
  4. Step 4: Simplify right side
    14,971.19x = 177,533,995.16
  5. Step 5: Solve for x
    x = 177,533,995.16/14,971.19
  6. Step 6: Final answer
    x = 11,858.38

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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.