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Finding the Fourth Proportional to 14,807.52, 20,437.20 and 11,614.32

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Solution

The fourth proportional to 14,807.52, 20,437.20 and 11,614.32 is: 16,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.52 : 20,437.20 = 11,614.32 : x
  2. Step 2: Convert to fraction form
    14,807.52/20,437.20 = 11,614.32/x
  3. Step 3: Cross multiply
    14,807.52x = 20,437.20 × 11,614.32
  4. Step 4: Simplify right side
    14,807.52x = 237,364,180.70
  5. Step 5: Solve for x
    x = 237,364,180.70/14,807.52
  6. Step 6: Final answer
    x = 16,029.98

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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.