Home / 19,211.63-26,511.99-10,713.76

Finding the Fourth Proportional to 19,211.63, 26,511.99 and 10,713.76

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Solution

The fourth proportional to 19,211.63, 26,511.99 and 10,713.76 is: 14,784.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.63 : 26,511.99 = 10,713.76 : x
  2. Step 2: Convert to fraction form
    19,211.63/26,511.99 = 10,713.76/x
  3. Step 3: Cross multiply
    19,211.63x = 26,511.99 × 10,713.76
  4. Step 4: Simplify right side
    19,211.63x = 284,043,086.75
  5. Step 5: Solve for x
    x = 284,043,086.75/19,211.63
  6. Step 6: Final answer
    x = 14,784.96

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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.