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Finding the Fourth Proportional to 14,907.52, 20,564.16 and 12,108.16

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Solution

The fourth proportional to 14,907.52, 20,564.16 and 12,108.16 is: 16,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,907.52 : 20,564.16 = 12,108.16 : x
  2. Step 2: Convert to fraction form
    14,907.52/20,564.16 = 12,108.16/x
  3. Step 3: Cross multiply
    14,907.52x = 20,564.16 × 12,108.16
  4. Step 4: Simplify right side
    14,907.52x = 248,994,139.55
  5. Step 5: Solve for x
    x = 248,994,139.55/14,907.52
  6. Step 6: Final answer
    x = 16,702.59

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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.