Home / 14,122.74-19,489.50-7,835.52

Finding the Fourth Proportional to 14,122.74, 19,489.50 and 7,835.52

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Solution

The fourth proportional to 14,122.74, 19,489.50 and 7,835.52 is: 10,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.74 : 19,489.50 = 7,835.52 : x
  2. Step 2: Convert to fraction form
    14,122.74/19,489.50 = 7,835.52/x
  3. Step 3: Cross multiply
    14,122.74x = 19,489.50 × 7,835.52
  4. Step 4: Simplify right side
    14,122.74x = 152,710,367.04
  5. Step 5: Solve for x
    x = 152,710,367.04/14,122.74
  6. Step 6: Final answer
    x = 10,813.08

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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.