Home / 19,675.53-29,527.88-10,917.81

Finding the Fourth Proportional to 19,675.53, 29,527.88 and 10,917.81

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Solution

The fourth proportional to 19,675.53, 29,527.88 and 10,917.81 is: 16,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.53 : 29,527.88 = 10,917.81 : x
  2. Step 2: Convert to fraction form
    19,675.53/29,527.88 = 10,917.81/x
  3. Step 3: Cross multiply
    19,675.53x = 29,527.88 × 10,917.81
  4. Step 4: Simplify right side
    19,675.53x = 322,379,728.95
  5. Step 5: Solve for x
    x = 322,379,728.95/19,675.53
  6. Step 6: Final answer
    x = 16,384.81

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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.