Home / 19,089.56-26,350.80-12,805.52

Finding the Fourth Proportional to 19,089.56, 26,350.80 and 12,805.52

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Solution

The fourth proportional to 19,089.56, 26,350.80 and 12,805.52 is: 17,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.56 : 26,350.80 = 12,805.52 : x
  2. Step 2: Convert to fraction form
    19,089.56/26,350.80 = 12,805.52/x
  3. Step 3: Cross multiply
    19,089.56x = 26,350.80 × 12,805.52
  4. Step 4: Simplify right side
    19,089.56x = 337,435,696.42
  5. Step 5: Solve for x
    x = 337,435,696.42/19,089.56
  6. Step 6: Final answer
    x = 17,676.45

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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.