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Finding the Fourth Proportional to 14,701.52, 20,274.25 and 11,339.01

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Solution

The fourth proportional to 14,701.52, 20,274.25 and 11,339.01 is: 15,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,701.52 : 20,274.25 = 11,339.01 : x
  2. Step 2: Convert to fraction form
    14,701.52/20,274.25 = 11,339.01/x
  3. Step 3: Cross multiply
    14,701.52x = 20,274.25 × 11,339.01
  4. Step 4: Simplify right side
    14,701.52x = 229,889,923.49
  5. Step 5: Solve for x
    x = 229,889,923.49/14,701.52
  6. Step 6: Final answer
    x = 15,637.15

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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.