Home / 23,030.88-34,520.96-8,988.32

Finding the Fourth Proportional to 23,030.88, 34,520.96 and 8,988.32

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Solution

The fourth proportional to 23,030.88, 34,520.96 and 8,988.32 is: 13,472.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,030.88 : 34,520.96 = 8,988.32 : x
  2. Step 2: Convert to fraction form
    23,030.88/34,520.96 = 8,988.32/x
  3. Step 3: Cross multiply
    23,030.88x = 34,520.96 × 8,988.32
  4. Step 4: Simplify right side
    23,030.88x = 310,285,217.64
  5. Step 5: Solve for x
    x = 310,285,217.64/23,030.88
  6. Step 6: Final answer
    x = 13,472.57

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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.