Home / 14,290.41-21,415.20-8,037.30

Finding the Fourth Proportional to 14,290.41, 21,415.20 and 8,037.30

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Solution

The fourth proportional to 14,290.41, 21,415.20 and 8,037.30 is: 12,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.41 : 21,415.20 = 8,037.30 : x
  2. Step 2: Convert to fraction form
    14,290.41/21,415.20 = 8,037.30/x
  3. Step 3: Cross multiply
    14,290.41x = 21,415.20 × 8,037.30
  4. Step 4: Simplify right side
    14,290.41x = 172,120,386.96
  5. Step 5: Solve for x
    x = 172,120,386.96/14,290.41
  6. Step 6: Final answer
    x = 12,044.47

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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.