Home / 22,583.58-31,165.62-12,513

Finding the Fourth Proportional to 22,583.58, 31,165.62 and 12,513

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Solution

The fourth proportional to 22,583.58, 31,165.62 and 12,513 is: 17,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,583.58 : 31,165.62 = 12,513 : x
  2. Step 2: Convert to fraction form
    22,583.58/31,165.62 = 12,513/x
  3. Step 3: Cross multiply
    22,583.58x = 31,165.62 × 12,513
  4. Step 4: Simplify right side
    22,583.58x = 389,975,403.06
  5. Step 5: Solve for x
    x = 389,975,403.06/22,583.58
  6. Step 6: Final answer
    x = 17,268.09

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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.