Home / 19,393.18-26,769.38-11,434.89

Finding the Fourth Proportional to 19,393.18, 26,769.38 and 11,434.89

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Solution

The fourth proportional to 19,393.18, 26,769.38 and 11,434.89 is: 15,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.18 : 26,769.38 = 11,434.89 : x
  2. Step 2: Convert to fraction form
    19,393.18/26,769.38 = 11,434.89/x
  3. Step 3: Cross multiply
    19,393.18x = 26,769.38 × 11,434.89
  4. Step 4: Simplify right side
    19,393.18x = 306,104,915.67
  5. Step 5: Solve for x
    x = 306,104,915.67/19,393.18
  6. Step 6: Final answer
    x = 15,784.15

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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.