Home / 13,750.06-20,626.29-4,391.41

Finding the Fourth Proportional to 13,750.06, 20,626.29 and 4,391.41

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Solution

The fourth proportional to 13,750.06, 20,626.29 and 4,391.41 is: 6,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.06 : 20,626.29 = 4,391.41 : x
  2. Step 2: Convert to fraction form
    13,750.06/20,626.29 = 4,391.41/x
  3. Step 3: Cross multiply
    13,750.06x = 20,626.29 × 4,391.41
  4. Step 4: Simplify right side
    13,750.06x = 90,578,474.21
  5. Step 5: Solve for x
    x = 90,578,474.21/13,750.06
  6. Step 6: Final answer
    x = 6,587.50

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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.