Home / 39,998.04-60,005.55-13,695.72

Finding the Fourth Proportional to 39,998.04, 60,005.55 and 13,695.72

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Solution

The fourth proportional to 39,998.04, 60,005.55 and 13,695.72 is: 20,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.04 : 60,005.55 = 13,695.72 : x
  2. Step 2: Convert to fraction form
    39,998.04/60,005.55 = 13,695.72/x
  3. Step 3: Cross multiply
    39,998.04x = 60,005.55 × 13,695.72
  4. Step 4: Simplify right side
    39,998.04x = 821,819,211.25
  5. Step 5: Solve for x
    x = 821,819,211.25/39,998.04
  6. Step 6: Final answer
    x = 20,546.49

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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.