Home / 14,603.09-21,891.49-5,240.90

Finding the Fourth Proportional to 14,603.09, 21,891.49 and 5,240.90

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Solution

The fourth proportional to 14,603.09, 21,891.49 and 5,240.90 is: 7,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.09 : 21,891.49 = 5,240.90 : x
  2. Step 2: Convert to fraction form
    14,603.09/21,891.49 = 5,240.90/x
  3. Step 3: Cross multiply
    14,603.09x = 21,891.49 × 5,240.90
  4. Step 4: Simplify right side
    14,603.09x = 114,731,151.57
  5. Step 5: Solve for x
    x = 114,731,151.57/14,603.09
  6. Step 6: Final answer
    x = 7,856.64

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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.