Home / 19,733.90-27,232.88-10,781.56

Finding the Fourth Proportional to 19,733.90, 27,232.88 and 10,781.56

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Solution

The fourth proportional to 19,733.90, 27,232.88 and 10,781.56 is: 14,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.90 : 27,232.88 = 10,781.56 : x
  2. Step 2: Convert to fraction form
    19,733.90/27,232.88 = 10,781.56/x
  3. Step 3: Cross multiply
    19,733.90x = 27,232.88 × 10,781.56
  4. Step 4: Simplify right side
    19,733.90x = 293,612,756.64
  5. Step 5: Solve for x
    x = 293,612,756.64/19,733.90
  6. Step 6: Final answer
    x = 14,878.60

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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.