Home / 14,014.20-19,339.02-8,971.32

Finding the Fourth Proportional to 14,014.20, 19,339.02 and 8,971.32

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Solution

The fourth proportional to 14,014.20, 19,339.02 and 8,971.32 is: 12,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.20 : 19,339.02 = 8,971.32 : x
  2. Step 2: Convert to fraction form
    14,014.20/19,339.02 = 8,971.32/x
  3. Step 3: Cross multiply
    14,014.20x = 19,339.02 × 8,971.32
  4. Step 4: Simplify right side
    14,014.20x = 173,496,536.91
  5. Step 5: Solve for x
    x = 173,496,536.91/14,014.20
  6. Step 6: Final answer
    x = 12,380.05

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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.