Home / 16,664.61-25,009.20-7,899.49

Finding the Fourth Proportional to 16,664.61, 25,009.20 and 7,899.49

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Solution

The fourth proportional to 16,664.61, 25,009.20 and 7,899.49 is: 11,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,664.61 : 25,009.20 = 7,899.49 : x
  2. Step 2: Convert to fraction form
    16,664.61/25,009.20 = 7,899.49/x
  3. Step 3: Cross multiply
    16,664.61x = 25,009.20 × 7,899.49
  4. Step 4: Simplify right side
    16,664.61x = 197,559,885.81
  5. Step 5: Solve for x
    x = 197,559,885.81/16,664.61
  6. Step 6: Final answer
    x = 11,855.06

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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.