Home / 15,554.03-23,317.81-6,782.40

Finding the Fourth Proportional to 15,554.03, 23,317.81 and 6,782.40

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Solution

The fourth proportional to 15,554.03, 23,317.81 and 6,782.40 is: 10,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.03 : 23,317.81 = 6,782.40 : x
  2. Step 2: Convert to fraction form
    15,554.03/23,317.81 = 6,782.40/x
  3. Step 3: Cross multiply
    15,554.03x = 23,317.81 × 6,782.40
  4. Step 4: Simplify right side
    15,554.03x = 158,150,697.59
  5. Step 5: Solve for x
    x = 158,150,697.59/15,554.03
  6. Step 6: Final answer
    x = 10,167.83

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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.