Home / 14,689.41-20,285.67-12,552.36

Finding the Fourth Proportional to 14,689.41, 20,285.67 and 12,552.36

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Solution

The fourth proportional to 14,689.41, 20,285.67 and 12,552.36 is: 17,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,689.41 : 20,285.67 = 12,552.36 : x
  2. Step 2: Convert to fraction form
    14,689.41/20,285.67 = 12,552.36/x
  3. Step 3: Cross multiply
    14,689.41x = 20,285.67 × 12,552.36
  4. Step 4: Simplify right side
    14,689.41x = 254,633,032.68
  5. Step 5: Solve for x
    x = 254,633,032.68/14,689.41
  6. Step 6: Final answer
    x = 17,334.46

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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.