Home / 13,005.58-19,503.96-4,238.32

Finding the Fourth Proportional to 13,005.58, 19,503.96 and 4,238.32

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Solution

The fourth proportional to 13,005.58, 19,503.96 and 4,238.32 is: 6,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005.58 : 19,503.96 = 4,238.32 : x
  2. Step 2: Convert to fraction form
    13,005.58/19,503.96 = 4,238.32/x
  3. Step 3: Cross multiply
    13,005.58x = 19,503.96 × 4,238.32
  4. Step 4: Simplify right side
    13,005.58x = 82,664,023.75
  5. Step 5: Solve for x
    x = 82,664,023.75/13,005.58
  6. Step 6: Final answer
    x = 6,356.04

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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.