Home / 16,965.04-23,406.94-13,368.85

Finding the Fourth Proportional to 16,965.04, 23,406.94 and 13,368.85

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Solution

The fourth proportional to 16,965.04, 23,406.94 and 13,368.85 is: 18,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.04 : 23,406.94 = 13,368.85 : x
  2. Step 2: Convert to fraction form
    16,965.04/23,406.94 = 13,368.85/x
  3. Step 3: Cross multiply
    16,965.04x = 23,406.94 × 13,368.85
  4. Step 4: Simplify right side
    16,965.04x = 312,923,869.82
  5. Step 5: Solve for x
    x = 312,923,869.82/16,965.04
  6. Step 6: Final answer
    x = 18,445.22

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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.