Home / 19,927.95-27,470.53-16,385.01

Finding the Fourth Proportional to 19,927.95, 27,470.53 and 16,385.01

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Solution

The fourth proportional to 19,927.95, 27,470.53 and 16,385.01 is: 22,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.95 : 27,470.53 = 16,385.01 : x
  2. Step 2: Convert to fraction form
    19,927.95/27,470.53 = 16,385.01/x
  3. Step 3: Cross multiply
    19,927.95x = 27,470.53 × 16,385.01
  4. Step 4: Simplify right side
    19,927.95x = 450,104,908.76
  5. Step 5: Solve for x
    x = 450,104,908.76/19,927.95
  6. Step 6: Final answer
    x = 22,586.61

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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.