Home / 20,450.41-28,271.88-20,263.30

Finding the Fourth Proportional to 20,450.41, 28,271.88 and 20,263.30

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Solution

The fourth proportional to 20,450.41, 28,271.88 and 20,263.30 is: 28,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.41 : 28,271.88 = 20,263.30 : x
  2. Step 2: Convert to fraction form
    20,450.41/28,271.88 = 20,263.30/x
  3. Step 3: Cross multiply
    20,450.41x = 28,271.88 × 20,263.30
  4. Step 4: Simplify right side
    20,450.41x = 572,881,586.00
  5. Step 5: Solve for x
    x = 572,881,586.00/20,450.41
  6. Step 6: Final answer
    x = 28,013.21

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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.