Home / 39,993.08-59,990.63-10,412.28

Finding the Fourth Proportional to 39,993.08, 59,990.63 and 10,412.28

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Solution

The fourth proportional to 39,993.08, 59,990.63 and 10,412.28 is: 15,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,993.08 : 59,990.63 = 10,412.28 : x
  2. Step 2: Convert to fraction form
    39,993.08/59,990.63 = 10,412.28/x
  3. Step 3: Cross multiply
    39,993.08x = 59,990.63 × 10,412.28
  4. Step 4: Simplify right side
    39,993.08x = 624,639,184.88
  5. Step 5: Solve for x
    x = 624,639,184.88/39,993.08
  6. Step 6: Final answer
    x = 15,618.68

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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.