Home / 14,289.22-21,439.95-7,368.58

Finding the Fourth Proportional to 14,289.22, 21,439.95 and 7,368.58

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Solution

The fourth proportional to 14,289.22, 21,439.95 and 7,368.58 is: 11,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.22 : 21,439.95 = 7,368.58 : x
  2. Step 2: Convert to fraction form
    14,289.22/21,439.95 = 7,368.58/x
  3. Step 3: Cross multiply
    14,289.22x = 21,439.95 × 7,368.58
  4. Step 4: Simplify right side
    14,289.22x = 157,981,986.77
  5. Step 5: Solve for x
    x = 157,981,986.77/14,289.22
  6. Step 6: Final answer
    x = 11,056.03

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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.