Home / 14,051.84-19,480.33-13,302.78

Finding the Fourth Proportional to 14,051.84, 19,480.33 and 13,302.78

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Solution

The fourth proportional to 14,051.84, 19,480.33 and 13,302.78 is: 18,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.84 : 19,480.33 = 13,302.78 : x
  2. Step 2: Convert to fraction form
    14,051.84/19,480.33 = 13,302.78/x
  3. Step 3: Cross multiply
    14,051.84x = 19,480.33 × 13,302.78
  4. Step 4: Simplify right side
    14,051.84x = 259,142,544.32
  5. Step 5: Solve for x
    x = 259,142,544.32/14,051.84
  6. Step 6: Final answer
    x = 18,441.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.