Home / 22,656.72-31,268.25-13,228.32

Finding the Fourth Proportional to 22,656.72, 31,268.25 and 13,228.32

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Solution

The fourth proportional to 22,656.72, 31,268.25 and 13,228.32 is: 18,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,656.72 : 31,268.25 = 13,228.32 : x
  2. Step 2: Convert to fraction form
    22,656.72/31,268.25 = 13,228.32/x
  3. Step 3: Cross multiply
    22,656.72x = 31,268.25 × 13,228.32
  4. Step 4: Simplify right side
    22,656.72x = 413,626,416.84
  5. Step 5: Solve for x
    x = 413,626,416.84/22,656.72
  6. Step 6: Final answer
    x = 18,256.24

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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.