Home / 19,181.06-28,733.31-15,238.99

Finding the Fourth Proportional to 19,181.06, 28,733.31 and 15,238.99

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Solution

The fourth proportional to 19,181.06, 28,733.31 and 15,238.99 is: 22,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.06 : 28,733.31 = 15,238.99 : x
  2. Step 2: Convert to fraction form
    19,181.06/28,733.31 = 15,238.99/x
  3. Step 3: Cross multiply
    19,181.06x = 28,733.31 × 15,238.99
  4. Step 4: Simplify right side
    19,181.06x = 437,866,623.76
  5. Step 5: Solve for x
    x = 437,866,623.76/19,181.06
  6. Step 6: Final answer
    x = 22,828.07

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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.