Home / 14,193.45-19,586.61-7,905.69

Finding the Fourth Proportional to 14,193.45, 19,586.61 and 7,905.69

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Solution

The fourth proportional to 14,193.45, 19,586.61 and 7,905.69 is: 10,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.45 : 19,586.61 = 7,905.69 : x
  2. Step 2: Convert to fraction form
    14,193.45/19,586.61 = 7,905.69/x
  3. Step 3: Cross multiply
    14,193.45x = 19,586.61 × 7,905.69
  4. Step 4: Simplify right side
    14,193.45x = 154,845,666.81
  5. Step 5: Solve for x
    x = 154,845,666.81/14,193.45
  6. Step 6: Final answer
    x = 10,909.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.