Home / 23,326.20-34,989.30-15,890.40

Finding the Fourth Proportional to 23,326.20, 34,989.30 and 15,890.40

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Solution

The fourth proportional to 23,326.20, 34,989.30 and 15,890.40 is: 23,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,326.20 : 34,989.30 = 15,890.40 : x
  2. Step 2: Convert to fraction form
    23,326.20/34,989.30 = 15,890.40/x
  3. Step 3: Cross multiply
    23,326.20x = 34,989.30 × 15,890.40
  4. Step 4: Simplify right side
    23,326.20x = 555,993,972.72
  5. Step 5: Solve for x
    x = 555,993,972.72/23,326.20
  6. Step 6: Final answer
    x = 23,835.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.