Home / 19,986.19-27,583.28-16,623.07

Finding the Fourth Proportional to 19,986.19, 27,583.28 and 16,623.07

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Solution

The fourth proportional to 19,986.19, 27,583.28 and 16,623.07 is: 22,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.19 : 27,583.28 = 16,623.07 : x
  2. Step 2: Convert to fraction form
    19,986.19/27,583.28 = 16,623.07/x
  3. Step 3: Cross multiply
    19,986.19x = 27,583.28 × 16,623.07
  4. Step 4: Simplify right side
    19,986.19x = 458,518,711.15
  5. Step 5: Solve for x
    x = 458,518,711.15/19,986.19
  6. Step 6: Final answer
    x = 22,941.78

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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.