Home / 19,261.38-26,580.51-12,193.59

Finding the Fourth Proportional to 19,261.38, 26,580.51 and 12,193.59

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Solution

The fourth proportional to 19,261.38, 26,580.51 and 12,193.59 is: 16,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.38 : 26,580.51 = 12,193.59 : x
  2. Step 2: Convert to fraction form
    19,261.38/26,580.51 = 12,193.59/x
  3. Step 3: Cross multiply
    19,261.38x = 26,580.51 × 12,193.59
  4. Step 4: Simplify right side
    19,261.38x = 324,111,840.93
  5. Step 5: Solve for x
    x = 324,111,840.93/19,261.38
  6. Step 6: Final answer
    x = 16,827.03

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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.