Home / 19,946.26-27,526.20-12,885.04

Finding the Fourth Proportional to 19,946.26, 27,526.20 and 12,885.04

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Solution

The fourth proportional to 19,946.26, 27,526.20 and 12,885.04 is: 17,781.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.26 : 27,526.20 = 12,885.04 : x
  2. Step 2: Convert to fraction form
    19,946.26/27,526.20 = 12,885.04/x
  3. Step 3: Cross multiply
    19,946.26x = 27,526.20 × 12,885.04
  4. Step 4: Simplify right side
    19,946.26x = 354,676,188.05
  5. Step 5: Solve for x
    x = 354,676,188.05/19,946.26
  6. Step 6: Final answer
    x = 17,781.59

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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.