Home / 13,619.69-18,794.16-7,652.35

Finding the Fourth Proportional to 13,619.69, 18,794.16 and 7,652.35

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Solution

The fourth proportional to 13,619.69, 18,794.16 and 7,652.35 is: 10,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.69 : 18,794.16 = 7,652.35 : x
  2. Step 2: Convert to fraction form
    13,619.69/18,794.16 = 7,652.35/x
  3. Step 3: Cross multiply
    13,619.69x = 18,794.16 × 7,652.35
  4. Step 4: Simplify right side
    13,619.69x = 143,819,513.77
  5. Step 5: Solve for x
    x = 143,819,513.77/13,619.69
  6. Step 6: Final answer
    x = 10,559.68

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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.