Home / 15,786.53-23,675.08-13,006.31

Finding the Fourth Proportional to 15,786.53, 23,675.08 and 13,006.31

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Solution

The fourth proportional to 15,786.53, 23,675.08 and 13,006.31 is: 19,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.53 : 23,675.08 = 13,006.31 : x
  2. Step 2: Convert to fraction form
    15,786.53/23,675.08 = 13,006.31/x
  3. Step 3: Cross multiply
    15,786.53x = 23,675.08 × 13,006.31
  4. Step 4: Simplify right side
    15,786.53x = 307,925,429.75
  5. Step 5: Solve for x
    x = 307,925,429.75/15,786.53
  6. Step 6: Final answer
    x = 19,505.58

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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.