Home / 19,415.99-26,798.49-13,744.84

Finding the Fourth Proportional to 19,415.99, 26,798.49 and 13,744.84

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Solution

The fourth proportional to 19,415.99, 26,798.49 and 13,744.84 is: 18,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.99 : 26,798.49 = 13,744.84 : x
  2. Step 2: Convert to fraction form
    19,415.99/26,798.49 = 13,744.84/x
  3. Step 3: Cross multiply
    19,415.99x = 26,798.49 × 13,744.84
  4. Step 4: Simplify right side
    19,415.99x = 368,340,855.93
  5. Step 5: Solve for x
    x = 368,340,855.93/19,415.99
  6. Step 6: Final answer
    x = 18,971.01

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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.