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Finding the Fourth Proportional to 14,401.90, 21,597.90 and 7,001.59

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Solution

The fourth proportional to 14,401.90, 21,597.90 and 7,001.59 is: 10,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.90 : 21,597.90 = 7,001.59 : x
  2. Step 2: Convert to fraction form
    14,401.90/21,597.90 = 7,001.59/x
  3. Step 3: Cross multiply
    14,401.90x = 21,597.90 × 7,001.59
  4. Step 4: Simplify right side
    14,401.90x = 151,219,640.66
  5. Step 5: Solve for x
    x = 151,219,640.66/14,401.90
  6. Step 6: Final answer
    x = 10,499.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.