Home / 22,955.42-31,669.44-13,259.72

Finding the Fourth Proportional to 22,955.42, 31,669.44 and 13,259.72

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Solution

The fourth proportional to 22,955.42, 31,669.44 and 13,259.72 is: 18,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,955.42 : 31,669.44 = 13,259.72 : x
  2. Step 2: Convert to fraction form
    22,955.42/31,669.44 = 13,259.72/x
  3. Step 3: Cross multiply
    22,955.42x = 31,669.44 × 13,259.72
  4. Step 4: Simplify right side
    22,955.42x = 419,927,906.96
  5. Step 5: Solve for x
    x = 419,927,906.96/22,955.42
  6. Step 6: Final answer
    x = 18,293.19

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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.