Home / 36,009.80-54,017.40-9,714.68

Finding the Fourth Proportional to 36,009.80, 54,017.40 and 9,714.68

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Solution

The fourth proportional to 36,009.80, 54,017.40 and 9,714.68 is: 14,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009.80 : 54,017.40 = 9,714.68 : x
  2. Step 2: Convert to fraction form
    36,009.80/54,017.40 = 9,714.68/x
  3. Step 3: Cross multiply
    36,009.80x = 54,017.40 × 9,714.68
  4. Step 4: Simplify right side
    36,009.80x = 524,761,755.43
  5. Step 5: Solve for x
    x = 524,761,755.43/36,009.80
  6. Step 6: Final answer
    x = 14,572.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.