Home / 20,967.04-31,452.59-7,816.33

Finding the Fourth Proportional to 20,967.04, 31,452.59 and 7,816.33

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Solution

The fourth proportional to 20,967.04, 31,452.59 and 7,816.33 is: 11,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967.04 : 31,452.59 = 7,816.33 : x
  2. Step 2: Convert to fraction form
    20,967.04/31,452.59 = 7,816.33/x
  3. Step 3: Cross multiply
    20,967.04x = 31,452.59 × 7,816.33
  4. Step 4: Simplify right side
    20,967.04x = 245,843,822.79
  5. Step 5: Solve for x
    x = 245,843,822.79/20,967.04
  6. Step 6: Final answer
    x = 11,725.25

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1.5x scale

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.