Home / 19,347.86-29,025.43-13,787.41

Finding the Fourth Proportional to 19,347.86, 29,025.43 and 13,787.41

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Solution

The fourth proportional to 19,347.86, 29,025.43 and 13,787.41 is: 20,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.86 : 29,025.43 = 13,787.41 : x
  2. Step 2: Convert to fraction form
    19,347.86/29,025.43 = 13,787.41/x
  3. Step 3: Cross multiply
    19,347.86x = 29,025.43 × 13,787.41
  4. Step 4: Simplify right side
    19,347.86x = 400,185,503.84
  5. Step 5: Solve for x
    x = 400,185,503.84/19,347.86
  6. Step 6: Final answer
    x = 20,683.71

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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.