Home / 44,620.03-66,930.10-13,455.28

Finding the Fourth Proportional to 44,620.03, 66,930.10 and 13,455.28

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Solution

The fourth proportional to 44,620.03, 66,930.10 and 13,455.28 is: 20,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,620.03 : 66,930.10 = 13,455.28 : x
  2. Step 2: Convert to fraction form
    44,620.03/66,930.10 = 13,455.28/x
  3. Step 3: Cross multiply
    44,620.03x = 66,930.10 × 13,455.28
  4. Step 4: Simplify right side
    44,620.03x = 900,563,285.95
  5. Step 5: Solve for x
    x = 900,563,285.95/44,620.03
  6. Step 6: Final answer
    x = 20,182.94

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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.