Home / 19,231.91-26,532.03-12,774.56

Finding the Fourth Proportional to 19,231.91, 26,532.03 and 12,774.56

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Solution

The fourth proportional to 19,231.91, 26,532.03 and 12,774.56 is: 17,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.91 : 26,532.03 = 12,774.56 : x
  2. Step 2: Convert to fraction form
    19,231.91/26,532.03 = 12,774.56/x
  3. Step 3: Cross multiply
    19,231.91x = 26,532.03 × 12,774.56
  4. Step 4: Simplify right side
    19,231.91x = 338,935,075.49
  5. Step 5: Solve for x
    x = 338,935,075.49/19,231.91
  6. Step 6: Final answer
    x = 17,623.58

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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.