Home / 26,628.35-39,970.26-19,616.31

Finding the Fourth Proportional to 26,628.35, 39,970.26 and 19,616.31

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Solution

The fourth proportional to 26,628.35, 39,970.26 and 19,616.31 is: 29,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,628.35 : 39,970.26 = 19,616.31 : x
  2. Step 2: Convert to fraction form
    26,628.35/39,970.26 = 19,616.31/x
  3. Step 3: Cross multiply
    26,628.35x = 39,970.26 × 19,616.31
  4. Step 4: Simplify right side
    26,628.35x = 784,069,010.94
  5. Step 5: Solve for x
    x = 784,069,010.94/26,628.35
  6. Step 6: Final answer
    x = 29,444.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.