Home / 16,986.54-23,440.64-9,433.35

Finding the Fourth Proportional to 16,986.54, 23,440.64 and 9,433.35

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Solution

The fourth proportional to 16,986.54, 23,440.64 and 9,433.35 is: 13,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.54 : 23,440.64 = 9,433.35 : x
  2. Step 2: Convert to fraction form
    16,986.54/23,440.64 = 9,433.35/x
  3. Step 3: Cross multiply
    16,986.54x = 23,440.64 × 9,433.35
  4. Step 4: Simplify right side
    16,986.54x = 221,123,714.18
  5. Step 5: Solve for x
    x = 221,123,714.18/16,986.54
  6. Step 6: Final answer
    x = 13,017.58

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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.