Home / 19,620.12-29,430.18-5,768.04

Finding the Fourth Proportional to 19,620.12, 29,430.18 and 5,768.04

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Solution

The fourth proportional to 19,620.12, 29,430.18 and 5,768.04 is: 8,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.12 : 29,430.18 = 5,768.04 : x
  2. Step 2: Convert to fraction form
    19,620.12/29,430.18 = 5,768.04/x
  3. Step 3: Cross multiply
    19,620.12x = 29,430.18 × 5,768.04
  4. Step 4: Simplify right side
    19,620.12x = 169,754,455.45
  5. Step 5: Solve for x
    x = 169,754,455.45/19,620.12
  6. Step 6: Final answer
    x = 8,652.06

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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.