Home / 19,734.42-27,234.09-10,782.48

Finding the Fourth Proportional to 19,734.42, 27,234.09 and 10,782.48

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Solution

The fourth proportional to 19,734.42, 27,234.09 and 10,782.48 is: 14,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.42 : 27,234.09 = 10,782.48 : x
  2. Step 2: Convert to fraction form
    19,734.42/27,234.09 = 10,782.48/x
  3. Step 3: Cross multiply
    19,734.42x = 27,234.09 × 10,782.48
  4. Step 4: Simplify right side
    19,734.42x = 293,651,030.74
  5. Step 5: Solve for x
    x = 293,651,030.74/19,734.42
  6. Step 6: Final answer
    x = 14,880.14

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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.