Home / 23,918.36-32,972.78-15,838.50

Finding the Fourth Proportional to 23,918.36, 32,972.78 and 15,838.50

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Solution

The fourth proportional to 23,918.36, 32,972.78 and 15,838.50 is: 21,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,918.36 : 32,972.78 = 15,838.50 : x
  2. Step 2: Convert to fraction form
    23,918.36/32,972.78 = 15,838.50/x
  3. Step 3: Cross multiply
    23,918.36x = 32,972.78 × 15,838.50
  4. Step 4: Simplify right side
    23,918.36x = 522,239,376.03
  5. Step 5: Solve for x
    x = 522,239,376.03/23,918.36
  6. Step 6: Final answer
    x = 21,834.25

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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.