Home / 14,083.02-19,431.24-8,775.90

Finding the Fourth Proportional to 14,083.02, 19,431.24 and 8,775.90

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Solution

The fourth proportional to 14,083.02, 19,431.24 and 8,775.90 is: 12,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.02 : 19,431.24 = 8,775.90 : x
  2. Step 2: Convert to fraction form
    14,083.02/19,431.24 = 8,775.90/x
  3. Step 3: Cross multiply
    14,083.02x = 19,431.24 × 8,775.90
  4. Step 4: Simplify right side
    14,083.02x = 170,526,619.12
  5. Step 5: Solve for x
    x = 170,526,619.12/14,083.02
  6. Step 6: Final answer
    x = 12,108.67

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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.