Home / 19,190.49-26,491.77-13,529.85

Finding the Fourth Proportional to 19,190.49, 26,491.77 and 13,529.85

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Solution

The fourth proportional to 19,190.49, 26,491.77 and 13,529.85 is: 18,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.49 : 26,491.77 = 13,529.85 : x
  2. Step 2: Convert to fraction form
    19,190.49/26,491.77 = 13,529.85/x
  3. Step 3: Cross multiply
    19,190.49x = 26,491.77 × 13,529.85
  4. Step 4: Simplify right side
    19,190.49x = 358,429,674.33
  5. Step 5: Solve for x
    x = 358,429,674.33/19,190.49
  6. Step 6: Final answer
    x = 18,677.46

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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.