Home / 19,291.56-26,617.98-12,213.91

Finding the Fourth Proportional to 19,291.56, 26,617.98 and 12,213.91

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Solution

The fourth proportional to 19,291.56, 26,617.98 and 12,213.91 is: 16,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.56 : 26,617.98 = 12,213.91 : x
  2. Step 2: Convert to fraction form
    19,291.56/26,617.98 = 12,213.91/x
  3. Step 3: Cross multiply
    19,291.56x = 26,617.98 × 12,213.91
  4. Step 4: Simplify right side
    19,291.56x = 325,109,612.10
  5. Step 5: Solve for x
    x = 325,109,612.10/19,291.56
  6. Step 6: Final answer
    x = 16,852.43

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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.