Home / 23,083.45-31,854.63-13,522.14

Finding the Fourth Proportional to 23,083.45, 31,854.63 and 13,522.14

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Solution

The fourth proportional to 23,083.45, 31,854.63 and 13,522.14 is: 18,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,083.45 : 31,854.63 = 13,522.14 : x
  2. Step 2: Convert to fraction form
    23,083.45/31,854.63 = 13,522.14/x
  3. Step 3: Cross multiply
    23,083.45x = 31,854.63 × 13,522.14
  4. Step 4: Simplify right side
    23,083.45x = 430,742,817.22
  5. Step 5: Solve for x
    x = 430,742,817.22/23,083.45
  6. Step 6: Final answer
    x = 18,660.25

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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.