Home / 22,983.21-31,708.67-15,030.09

Finding the Fourth Proportional to 22,983.21, 31,708.67 and 15,030.09

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Solution

The fourth proportional to 22,983.21, 31,708.67 and 15,030.09 is: 20,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,983.21 : 31,708.67 = 15,030.09 : x
  2. Step 2: Convert to fraction form
    22,983.21/31,708.67 = 15,030.09/x
  3. Step 3: Cross multiply
    22,983.21x = 31,708.67 × 15,030.09
  4. Step 4: Simplify right side
    22,983.21x = 476,584,088.73
  5. Step 5: Solve for x
    x = 476,584,088.73/22,983.21
  6. Step 6: Final answer
    x = 20,736.18

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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.