Home / 13,820.26-19,072.23-7,532.63

Finding the Fourth Proportional to 13,820.26, 19,072.23 and 7,532.63

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Solution

The fourth proportional to 13,820.26, 19,072.23 and 7,532.63 is: 10,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820.26 : 19,072.23 = 7,532.63 : x
  2. Step 2: Convert to fraction form
    13,820.26/19,072.23 = 7,532.63/x
  3. Step 3: Cross multiply
    13,820.26x = 19,072.23 × 7,532.63
  4. Step 4: Simplify right side
    13,820.26x = 143,664,051.86
  5. Step 5: Solve for x
    x = 143,664,051.86/13,820.26
  6. Step 6: Final answer
    x = 10,395.18

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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.