Home / 21,763.48-30,033.60-12,332.02

Finding the Fourth Proportional to 21,763.48, 30,033.60 and 12,332.02

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Solution

The fourth proportional to 21,763.48, 30,033.60 and 12,332.02 is: 17,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.48 : 30,033.60 = 12,332.02 : x
  2. Step 2: Convert to fraction form
    21,763.48/30,033.60 = 12,332.02/x
  3. Step 3: Cross multiply
    21,763.48x = 30,033.60 × 12,332.02
  4. Step 4: Simplify right side
    21,763.48x = 370,374,955.87
  5. Step 5: Solve for x
    x = 370,374,955.87/21,763.48
  6. Step 6: Final answer
    x = 17,018.19

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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.