Home / 19,674.57-27,150.90-10,722.07

Finding the Fourth Proportional to 19,674.57, 27,150.90 and 10,722.07

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Solution

The fourth proportional to 19,674.57, 27,150.90 and 10,722.07 is: 14,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.57 : 27,150.90 = 10,722.07 : x
  2. Step 2: Convert to fraction form
    19,674.57/27,150.90 = 10,722.07/x
  3. Step 3: Cross multiply
    19,674.57x = 27,150.90 × 10,722.07
  4. Step 4: Simplify right side
    19,674.57x = 291,113,714.61
  5. Step 5: Solve for x
    x = 291,113,714.61/19,674.57
  6. Step 6: Final answer
    x = 14,796.45

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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.