Home / 16,974.50-23,423.73-9,420.98

Finding the Fourth Proportional to 16,974.50, 23,423.73 and 9,420.98

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Solution

The fourth proportional to 16,974.50, 23,423.73 and 9,420.98 is: 13,000.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.50 : 23,423.73 = 9,420.98 : x
  2. Step 2: Convert to fraction form
    16,974.50/23,423.73 = 9,420.98/x
  3. Step 3: Cross multiply
    16,974.50x = 23,423.73 × 9,420.98
  4. Step 4: Simplify right side
    16,974.50x = 220,674,491.86
  5. Step 5: Solve for x
    x = 220,674,491.86/16,974.50
  6. Step 6: Final answer
    x = 13,000.35

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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.