Home / 30,015.60-44,995.88-11,533.68

Finding the Fourth Proportional to 30,015.60, 44,995.88 and 11,533.68

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Solution

The fourth proportional to 30,015.60, 44,995.88 and 11,533.68 is: 17,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.60 : 44,995.88 = 11,533.68 : x
  2. Step 2: Convert to fraction form
    30,015.60/44,995.88 = 11,533.68/x
  3. Step 3: Cross multiply
    30,015.60x = 44,995.88 × 11,533.68
  4. Step 4: Simplify right side
    30,015.60x = 518,968,081.24
  5. Step 5: Solve for x
    x = 518,968,081.24/30,015.60
  6. Step 6: Final answer
    x = 17,289.95

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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.