Home / 19,402.10-26,774.18-11,861.06

Finding the Fourth Proportional to 19,402.10, 26,774.18 and 11,861.06

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Solution

The fourth proportional to 19,402.10, 26,774.18 and 11,861.06 is: 16,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.10 : 26,774.18 = 11,861.06 : x
  2. Step 2: Convert to fraction form
    19,402.10/26,774.18 = 11,861.06/x
  3. Step 3: Cross multiply
    19,402.10x = 26,774.18 × 11,861.06
  4. Step 4: Simplify right side
    19,402.10x = 317,570,155.43
  5. Step 5: Solve for x
    x = 317,570,155.43/19,402.10
  6. Step 6: Final answer
    x = 16,367.82

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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.