Home / 23,155.36-31,954.42-12,544.99

Finding the Fourth Proportional to 23,155.36, 31,954.42 and 12,544.99

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Solution

The fourth proportional to 23,155.36, 31,954.42 and 12,544.99 is: 17,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.36 : 31,954.42 = 12,544.99 : x
  2. Step 2: Convert to fraction form
    23,155.36/31,954.42 = 12,544.99/x
  3. Step 3: Cross multiply
    23,155.36x = 31,954.42 × 12,544.99
  4. Step 4: Simplify right side
    23,155.36x = 400,867,719.58
  5. Step 5: Solve for x
    x = 400,867,719.58/23,155.36
  6. Step 6: Final answer
    x = 17,312.10

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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.