Home / 19,927.71-27,470.18-16,384.77

Finding the Fourth Proportional to 19,927.71, 27,470.18 and 16,384.77

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Solution

The fourth proportional to 19,927.71, 27,470.18 and 16,384.77 is: 22,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.71 : 27,470.18 = 16,384.77 : x
  2. Step 2: Convert to fraction form
    19,927.71/27,470.18 = 16,384.77/x
  3. Step 3: Cross multiply
    19,927.71x = 27,470.18 × 16,384.77
  4. Step 4: Simplify right side
    19,927.71x = 450,092,499.23
  5. Step 5: Solve for x
    x = 450,092,499.23/19,927.71
  6. Step 6: Final answer
    x = 22,586.26

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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.