Home / 17,853.90-26,762.49-12,012.18

Finding the Fourth Proportional to 17,853.90, 26,762.49 and 12,012.18

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Solution

The fourth proportional to 17,853.90, 26,762.49 and 12,012.18 is: 18,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853.90 : 26,762.49 = 12,012.18 : x
  2. Step 2: Convert to fraction form
    17,853.90/26,762.49 = 12,012.18/x
  3. Step 3: Cross multiply
    17,853.90x = 26,762.49 × 12,012.18
  4. Step 4: Simplify right side
    17,853.90x = 321,475,847.13
  5. Step 5: Solve for x
    x = 321,475,847.13/17,853.90
  6. Step 6: Final answer
    x = 18,005.92

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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.