Home / 13,026.24-19,513.32-7,829.28

Finding the Fourth Proportional to 13,026.24, 19,513.32 and 7,829.28

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Solution

The fourth proportional to 13,026.24, 19,513.32 and 7,829.28 is: 11,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.24 : 19,513.32 = 7,829.28 : x
  2. Step 2: Convert to fraction form
    13,026.24/19,513.32 = 7,829.28/x
  3. Step 3: Cross multiply
    13,026.24x = 19,513.32 × 7,829.28
  4. Step 4: Simplify right side
    13,026.24x = 152,775,246.01
  5. Step 5: Solve for x
    x = 152,775,246.01/13,026.24
  6. Step 6: Final answer
    x = 11,728.27

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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.