Home / 23,214.40-34,821.60-8,423.29

Finding the Fourth Proportional to 23,214.40, 34,821.60 and 8,423.29

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Solution

The fourth proportional to 23,214.40, 34,821.60 and 8,423.29 is: 12,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,214.40 : 34,821.60 = 8,423.29 : x
  2. Step 2: Convert to fraction form
    23,214.40/34,821.60 = 8,423.29/x
  3. Step 3: Cross multiply
    23,214.40x = 34,821.60 × 8,423.29
  4. Step 4: Simplify right side
    23,214.40x = 293,312,447.00
  5. Step 5: Solve for x
    x = 293,312,447.00/23,214.40
  6. Step 6: Final answer
    x = 12,634.94

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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.