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Finding the Fourth Proportional to 14,509.01, 20,026.70 and 9,473.99

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Solution

The fourth proportional to 14,509.01, 20,026.70 and 9,473.99 is: 13,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.01 : 20,026.70 = 9,473.99 : x
  2. Step 2: Convert to fraction form
    14,509.01/20,026.70 = 9,473.99/x
  3. Step 3: Cross multiply
    14,509.01x = 20,026.70 × 9,473.99
  4. Step 4: Simplify right side
    14,509.01x = 189,732,699.88
  5. Step 5: Solve for x
    x = 189,732,699.88/14,509.01
  6. Step 6: Final answer
    x = 13,076.89

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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.