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Finding the Fourth Proportional to 25,443, 35,113.52 and 14,267.16

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Solution

The fourth proportional to 25,443, 35,113.52 and 14,267.16 is: 19,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443 : 35,113.52 = 14,267.16 : x
  2. Step 2: Convert to fraction form
    25,443/35,113.52 = 14,267.16/x
  3. Step 3: Cross multiply
    25,443x = 35,113.52 × 14,267.16
  4. Step 4: Simplify right side
    25,443x = 500,970,208.00
  5. Step 5: Solve for x
    x = 500,970,208.00/25,443
  6. Step 6: Final answer
    x = 19,689.90

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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.