Home / 38,424.64-57,652.32-13,802.56

Finding the Fourth Proportional to 38,424.64, 57,652.32 and 13,802.56

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Solution

The fourth proportional to 38,424.64, 57,652.32 and 13,802.56 is: 20,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,424.64 : 57,652.32 = 13,802.56 : x
  2. Step 2: Convert to fraction form
    38,424.64/57,652.32 = 13,802.56/x
  3. Step 3: Cross multiply
    38,424.64x = 57,652.32 × 13,802.56
  4. Step 4: Simplify right side
    38,424.64x = 795,749,605.94
  5. Step 5: Solve for x
    x = 795,749,605.94/38,424.64
  6. Step 6: Final answer
    x = 20,709.36

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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.