Home / 12,030.12-17,950.41-10,714.68

Finding the Fourth Proportional to 12,030.12, 17,950.41 and 10,714.68

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Solution

The fourth proportional to 12,030.12, 17,950.41 and 10,714.68 is: 15,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.12 : 17,950.41 = 10,714.68 : x
  2. Step 2: Convert to fraction form
    12,030.12/17,950.41 = 10,714.68/x
  3. Step 3: Cross multiply
    12,030.12x = 17,950.41 × 10,714.68
  4. Step 4: Simplify right side
    12,030.12x = 192,332,899.02
  5. Step 5: Solve for x
    x = 192,332,899.02/12,030.12
  6. Step 6: Final answer
    x = 15,987.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.