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Finding the Fourth Proportional to 14,853.63, 20,485.87 and 10,597.18

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Solution

The fourth proportional to 14,853.63, 20,485.87 and 10,597.18 is: 14,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.63 : 20,485.87 = 10,597.18 : x
  2. Step 2: Convert to fraction form
    14,853.63/20,485.87 = 10,597.18/x
  3. Step 3: Cross multiply
    14,853.63x = 20,485.87 × 10,597.18
  4. Step 4: Simplify right side
    14,853.63x = 217,092,451.85
  5. Step 5: Solve for x
    x = 217,092,451.85/14,853.63
  6. Step 6: Final answer
    x = 14,615.45

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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.