Home / 13,823.88-19,077.08-7,536.39

Finding the Fourth Proportional to 13,823.88, 19,077.08 and 7,536.39

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Solution

The fourth proportional to 13,823.88, 19,077.08 and 7,536.39 is: 10,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.88 : 19,077.08 = 7,536.39 : x
  2. Step 2: Convert to fraction form
    13,823.88/19,077.08 = 7,536.39/x
  3. Step 3: Cross multiply
    13,823.88x = 19,077.08 × 7,536.39
  4. Step 4: Simplify right side
    13,823.88x = 143,772,314.94
  5. Step 5: Solve for x
    x = 143,772,314.94/13,823.88
  6. Step 6: Final answer
    x = 10,400.29

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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.