Home / 19,116.90-28,666.04-8,020.58

Finding the Fourth Proportional to 19,116.90, 28,666.04 and 8,020.58

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Solution

The fourth proportional to 19,116.90, 28,666.04 and 8,020.58 is: 12,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.90 : 28,666.04 = 8,020.58 : x
  2. Step 2: Convert to fraction form
    19,116.90/28,666.04 = 8,020.58/x
  3. Step 3: Cross multiply
    19,116.90x = 28,666.04 × 8,020.58
  4. Step 4: Simplify right side
    19,116.90x = 229,918,083.67
  5. Step 5: Solve for x
    x = 229,918,083.67/19,116.90
  6. Step 6: Final answer
    x = 12,026.95

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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.