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Finding the Fourth Proportional to 14,952.74, 20,485.37 and 14,392.22

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Solution

The fourth proportional to 14,952.74, 20,485.37 and 14,392.22 is: 19,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952.74 : 20,485.37 = 14,392.22 : x
  2. Step 2: Convert to fraction form
    14,952.74/20,485.37 = 14,392.22/x
  3. Step 3: Cross multiply
    14,952.74x = 20,485.37 × 14,392.22
  4. Step 4: Simplify right side
    14,952.74x = 294,829,879.86
  5. Step 5: Solve for x
    x = 294,829,879.86/14,952.74
  6. Step 6: Final answer
    x = 19,717.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.