Home / 19,140.65-26,408.00-11,584.56

Finding the Fourth Proportional to 19,140.65, 26,408.00 and 11,584.56

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Solution

The fourth proportional to 19,140.65, 26,408.00 and 11,584.56 is: 15,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.65 : 26,408.00 = 11,584.56 : x
  2. Step 2: Convert to fraction form
    19,140.65/26,408.00 = 11,584.56/x
  3. Step 3: Cross multiply
    19,140.65x = 26,408.00 × 11,584.56
  4. Step 4: Simplify right side
    19,140.65x = 305,925,002.56
  5. Step 5: Solve for x
    x = 305,925,002.56/19,140.65
  6. Step 6: Final answer
    x = 15,983.00

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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.