Home / 42,825.51-64,239.68-14,745.27

Finding the Fourth Proportional to 42,825.51, 64,239.68 and 14,745.27

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Solution

The fourth proportional to 42,825.51, 64,239.68 and 14,745.27 is: 22,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,825.51 : 64,239.68 = 14,745.27 : x
  2. Step 2: Convert to fraction form
    42,825.51/64,239.68 = 14,745.27/x
  3. Step 3: Cross multiply
    42,825.51x = 64,239.68 × 14,745.27
  4. Step 4: Simplify right side
    42,825.51x = 947,231,352.59
  5. Step 5: Solve for x
    x = 947,231,352.59/42,825.51
  6. Step 6: Final answer
    x = 22,118.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.