Home / 14,960.73-20,638.22-11,417.79

Finding the Fourth Proportional to 14,960.73, 20,638.22 and 11,417.79

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Solution

The fourth proportional to 14,960.73, 20,638.22 and 11,417.79 is: 15,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.73 : 20,638.22 = 11,417.79 : x
  2. Step 2: Convert to fraction form
    14,960.73/20,638.22 = 11,417.79/x
  3. Step 3: Cross multiply
    14,960.73x = 20,638.22 × 11,417.79
  4. Step 4: Simplify right side
    14,960.73x = 235,642,804.84
  5. Step 5: Solve for x
    x = 235,642,804.84/14,960.73
  6. Step 6: Final answer
    x = 15,750.76

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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.