Home / 39,436.13-59,163.58-12,782.14

Finding the Fourth Proportional to 39,436.13, 59,163.58 and 12,782.14

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Solution

The fourth proportional to 39,436.13, 59,163.58 and 12,782.14 is: 19,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,436.13 : 59,163.58 = 12,782.14 : x
  2. Step 2: Convert to fraction form
    39,436.13/59,163.58 = 12,782.14/x
  3. Step 3: Cross multiply
    39,436.13x = 59,163.58 × 12,782.14
  4. Step 4: Simplify right side
    39,436.13x = 756,237,030.53
  5. Step 5: Solve for x
    x = 756,237,030.53/39,436.13
  6. Step 6: Final answer
    x = 19,176.25

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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.