Home / 18,070.41-27,118.93-8,582.76

Finding the Fourth Proportional to 18,070.41, 27,118.93 and 8,582.76

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Solution

The fourth proportional to 18,070.41, 27,118.93 and 8,582.76 is: 12,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.41 : 27,118.93 = 8,582.76 : x
  2. Step 2: Convert to fraction form
    18,070.41/27,118.93 = 8,582.76/x
  3. Step 3: Cross multiply
    18,070.41x = 27,118.93 × 8,582.76
  4. Step 4: Simplify right side
    18,070.41x = 232,755,267.65
  5. Step 5: Solve for x
    x = 232,755,267.65/18,070.41
  6. Step 6: Final answer
    x = 12,880.46

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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.