Home / 19,549.21-26,990.85-12,110.17

Finding the Fourth Proportional to 19,549.21, 26,990.85 and 12,110.17

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Solution

The fourth proportional to 19,549.21, 26,990.85 and 12,110.17 is: 16,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.21 : 26,990.85 = 12,110.17 : x
  2. Step 2: Convert to fraction form
    19,549.21/26,990.85 = 12,110.17/x
  3. Step 3: Cross multiply
    19,549.21x = 26,990.85 × 12,110.17
  4. Step 4: Simplify right side
    19,549.21x = 326,863,781.94
  5. Step 5: Solve for x
    x = 326,863,781.94/19,549.21
  6. Step 6: Final answer
    x = 16,720.05

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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.