Home / 19,330.81-26,676.07-11,373.55

Finding the Fourth Proportional to 19,330.81, 26,676.07 and 11,373.55

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Solution

The fourth proportional to 19,330.81, 26,676.07 and 11,373.55 is: 15,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.81 : 26,676.07 = 11,373.55 : x
  2. Step 2: Convert to fraction form
    19,330.81/26,676.07 = 11,373.55/x
  3. Step 3: Cross multiply
    19,330.81x = 26,676.07 × 11,373.55
  4. Step 4: Simplify right side
    19,330.81x = 303,401,696.86
  5. Step 5: Solve for x
    x = 303,401,696.86/19,330.81
  6. Step 6: Final answer
    x = 15,695.24

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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.