Home / 19,832.55-27,370.67-10,881.80

Finding the Fourth Proportional to 19,832.55, 27,370.67 and 10,881.80

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Solution

The fourth proportional to 19,832.55, 27,370.67 and 10,881.80 is: 15,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.55 : 27,370.67 = 10,881.80 : x
  2. Step 2: Convert to fraction form
    19,832.55/27,370.67 = 10,881.80/x
  3. Step 3: Cross multiply
    19,832.55x = 27,370.67 × 10,881.80
  4. Step 4: Simplify right side
    19,832.55x = 297,842,156.81
  5. Step 5: Solve for x
    x = 297,842,156.81/19,832.55
  6. Step 6: Final answer
    x = 15,017.84

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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.