Home / 22,657.38-31,268.06-12,586.58

Finding the Fourth Proportional to 22,657.38, 31,268.06 and 12,586.58

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Solution

The fourth proportional to 22,657.38, 31,268.06 and 12,586.58 is: 17,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.38 : 31,268.06 = 12,586.58 : x
  2. Step 2: Convert to fraction form
    22,657.38/31,268.06 = 12,586.58/x
  3. Step 3: Cross multiply
    22,657.38x = 31,268.06 × 12,586.58
  4. Step 4: Simplify right side
    22,657.38x = 393,557,938.63
  5. Step 5: Solve for x
    x = 393,557,938.63/22,657.38
  6. Step 6: Final answer
    x = 17,369.97

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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.