Home / 13,972.75-19,276.93-8,001.23

Finding the Fourth Proportional to 13,972.75, 19,276.93 and 8,001.23

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Solution

The fourth proportional to 13,972.75, 19,276.93 and 8,001.23 is: 11,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.75 : 19,276.93 = 8,001.23 : x
  2. Step 2: Convert to fraction form
    13,972.75/19,276.93 = 8,001.23/x
  3. Step 3: Cross multiply
    13,972.75x = 19,276.93 × 8,001.23
  4. Step 4: Simplify right side
    13,972.75x = 154,239,150.62
  5. Step 5: Solve for x
    x = 154,239,150.62/13,972.75
  6. Step 6: Final answer
    x = 11,038.57

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1.5x scale

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.