Home / 13,124.85-19,682.41-5,331.03

Finding the Fourth Proportional to 13,124.85, 19,682.41 and 5,331.03

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Solution

The fourth proportional to 13,124.85, 19,682.41 and 5,331.03 is: 7,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.85 : 19,682.41 = 5,331.03 : x
  2. Step 2: Convert to fraction form
    13,124.85/19,682.41 = 5,331.03/x
  3. Step 3: Cross multiply
    13,124.85x = 19,682.41 × 5,331.03
  4. Step 4: Simplify right side
    13,124.85x = 104,927,518.18
  5. Step 5: Solve for x
    x = 104,927,518.18/13,124.85
  6. Step 6: Final answer
    x = 7,994.57

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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.