Home / 16,981.97-23,433.80-9,427.59

Finding the Fourth Proportional to 16,981.97, 23,433.80 and 9,427.59

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Solution

The fourth proportional to 16,981.97, 23,433.80 and 9,427.59 is: 13,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.97 : 23,433.80 = 9,427.59 : x
  2. Step 2: Convert to fraction form
    16,981.97/23,433.80 = 9,427.59/x
  3. Step 3: Cross multiply
    16,981.97x = 23,433.80 × 9,427.59
  4. Step 4: Simplify right side
    16,981.97x = 220,924,211.40
  5. Step 5: Solve for x
    x = 220,924,211.40/16,981.97
  6. Step 6: Final answer
    x = 13,009.34

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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.