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Finding the Fourth Proportional to 14,592.71, 20,219.28 and 14,277.42

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Solution

The fourth proportional to 14,592.71, 20,219.28 and 14,277.42 is: 19,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592.71 : 20,219.28 = 14,277.42 : x
  2. Step 2: Convert to fraction form
    14,592.71/20,219.28 = 14,277.42/x
  3. Step 3: Cross multiply
    14,592.71x = 20,219.28 × 14,277.42
  4. Step 4: Simplify right side
    14,592.71x = 288,678,980.17
  5. Step 5: Solve for x
    x = 288,678,980.17/14,592.71
  6. Step 6: Final answer
    x = 19,782.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.