Home / 23,980.25-33,110.37-15,487.35

Finding the Fourth Proportional to 23,980.25, 33,110.37 and 15,487.35

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Solution

The fourth proportional to 23,980.25, 33,110.37 and 15,487.35 is: 21,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,980.25 : 33,110.37 = 15,487.35 : x
  2. Step 2: Convert to fraction form
    23,980.25/33,110.37 = 15,487.35/x
  3. Step 3: Cross multiply
    23,980.25x = 33,110.37 × 15,487.35
  4. Step 4: Simplify right side
    23,980.25x = 512,791,950.90
  5. Step 5: Solve for x
    x = 512,791,950.90/23,980.25
  6. Step 6: Final answer
    x = 21,383.93

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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.