Home / 17,378.36-23,982.18-9,420.52

Finding the Fourth Proportional to 17,378.36, 23,982.18 and 9,420.52

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Solution

The fourth proportional to 17,378.36, 23,982.18 and 9,420.52 is: 13,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.36 : 23,982.18 = 9,420.52 : x
  2. Step 2: Convert to fraction form
    17,378.36/23,982.18 = 9,420.52/x
  3. Step 3: Cross multiply
    17,378.36x = 23,982.18 × 9,420.52
  4. Step 4: Simplify right side
    17,378.36x = 225,924,606.33
  5. Step 5: Solve for x
    x = 225,924,606.33/17,378.36
  6. Step 6: Final answer
    x = 13,000.34

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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.