Home / 46,660.39-69,969.98-13,372.90

Finding the Fourth Proportional to 46,660.39, 69,969.98 and 13,372.90

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Solution

The fourth proportional to 46,660.39, 69,969.98 and 13,372.90 is: 20,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,660.39 : 69,969.98 = 13,372.90 : x
  2. Step 2: Convert to fraction form
    46,660.39/69,969.98 = 13,372.90/x
  3. Step 3: Cross multiply
    46,660.39x = 69,969.98 × 13,372.90
  4. Step 4: Simplify right side
    46,660.39x = 935,701,128.83
  5. Step 5: Solve for x
    x = 935,701,128.83/46,660.39
  6. Step 6: Final answer
    x = 20,053.44

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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.