Home / 12,010.02-18,022.05-8,674.98

Finding the Fourth Proportional to 12,010.02, 18,022.05 and 8,674.98

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Solution

The fourth proportional to 12,010.02, 18,022.05 and 8,674.98 is: 13,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.02 : 18,022.05 = 8,674.98 : x
  2. Step 2: Convert to fraction form
    12,010.02/18,022.05 = 8,674.98/x
  3. Step 3: Cross multiply
    12,010.02x = 18,022.05 × 8,674.98
  4. Step 4: Simplify right side
    12,010.02x = 156,340,981.50
  5. Step 5: Solve for x
    x = 156,340,981.50/12,010.02
  6. Step 6: Final answer
    x = 13,017.54

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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.