Home / 19,239.78-26,548.26-10,740.90

Finding the Fourth Proportional to 19,239.78, 26,548.26 and 10,740.90

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Solution

The fourth proportional to 19,239.78, 26,548.26 and 10,740.90 is: 14,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.78 : 26,548.26 = 10,740.90 : x
  2. Step 2: Convert to fraction form
    19,239.78/26,548.26 = 10,740.90/x
  3. Step 3: Cross multiply
    19,239.78x = 26,548.26 × 10,740.90
  4. Step 4: Simplify right side
    19,239.78x = 285,152,205.83
  5. Step 5: Solve for x
    x = 285,152,205.83/19,239.78
  6. Step 6: Final answer
    x = 14,820.97

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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.