Home / 19,734.48-27,234.17-10,782.40

Finding the Fourth Proportional to 19,734.48, 27,234.17 and 10,782.40

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Solution

The fourth proportional to 19,734.48, 27,234.17 and 10,782.40 is: 14,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.48 : 27,234.17 = 10,782.40 : x
  2. Step 2: Convert to fraction form
    19,734.48/27,234.17 = 10,782.40/x
  3. Step 3: Cross multiply
    19,734.48x = 27,234.17 × 10,782.40
  4. Step 4: Simplify right side
    19,734.48x = 293,649,714.61
  5. Step 5: Solve for x
    x = 293,649,714.61/19,734.48
  6. Step 6: Final answer
    x = 14,880.03

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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.