Home / 19,015.20-26,240.95-11,461.63

Finding the Fourth Proportional to 19,015.20, 26,240.95 and 11,461.63

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Solution

The fourth proportional to 19,015.20, 26,240.95 and 11,461.63 is: 15,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.20 : 26,240.95 = 11,461.63 : x
  2. Step 2: Convert to fraction form
    19,015.20/26,240.95 = 11,461.63/x
  3. Step 3: Cross multiply
    19,015.20x = 26,240.95 × 11,461.63
  4. Step 4: Simplify right side
    19,015.20x = 300,764,059.75
  5. Step 5: Solve for x
    x = 300,764,059.75/19,015.20
  6. Step 6: Final answer
    x = 15,817.03

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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.