Home / 15,093.03-20,814.74-9,428.30

Finding the Fourth Proportional to 15,093.03, 20,814.74 and 9,428.30

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Solution

The fourth proportional to 15,093.03, 20,814.74 and 9,428.30 is: 13,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,093.03 : 20,814.74 = 9,428.30 : x
  2. Step 2: Convert to fraction form
    15,093.03/20,814.74 = 9,428.30/x
  3. Step 3: Cross multiply
    15,093.03x = 20,814.74 × 9,428.30
  4. Step 4: Simplify right side
    15,093.03x = 196,247,509.07
  5. Step 5: Solve for x
    x = 196,247,509.07/15,093.03
  6. Step 6: Final answer
    x = 13,002.53

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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.