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Finding the Fourth Proportional to 15,469.80, 23,303.27 and 14,124.80

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Solution

The fourth proportional to 15,469.80, 23,303.27 and 14,124.80 is: 21,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469.80 : 23,303.27 = 14,124.80 : x
  2. Step 2: Convert to fraction form
    15,469.80/23,303.27 = 14,124.80/x
  3. Step 3: Cross multiply
    15,469.80x = 23,303.27 × 14,124.80
  4. Step 4: Simplify right side
    15,469.80x = 329,153,840.96
  5. Step 5: Solve for x
    x = 329,153,840.96/15,469.80
  6. Step 6: Final answer
    x = 21,277.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.