Home / 19,083.64-26,330.03-12,369.55

Finding the Fourth Proportional to 19,083.64, 26,330.03 and 12,369.55

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Solution

The fourth proportional to 19,083.64, 26,330.03 and 12,369.55 is: 17,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.64 : 26,330.03 = 12,369.55 : x
  2. Step 2: Convert to fraction form
    19,083.64/26,330.03 = 12,369.55/x
  3. Step 3: Cross multiply
    19,083.64x = 26,330.03 × 12,369.55
  4. Step 4: Simplify right side
    19,083.64x = 325,690,622.59
  5. Step 5: Solve for x
    x = 325,690,622.59/19,083.64
  6. Step 6: Final answer
    x = 17,066.48

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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.