Home / 20,750.07-28,626.63-14,466.09

Finding the Fourth Proportional to 20,750.07, 28,626.63 and 14,466.09

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Solution

The fourth proportional to 20,750.07, 28,626.63 and 14,466.09 is: 19,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750.07 : 28,626.63 = 14,466.09 : x
  2. Step 2: Convert to fraction form
    20,750.07/28,626.63 = 14,466.09/x
  3. Step 3: Cross multiply
    20,750.07x = 28,626.63 × 14,466.09
  4. Step 4: Simplify right side
    20,750.07x = 414,115,262.84
  5. Step 5: Solve for x
    x = 414,115,262.84/20,750.07
  6. Step 6: Final answer
    x = 19,957.30

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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.