Home / 15,533.21-23,276.78-11,409.05

Finding the Fourth Proportional to 15,533.21, 23,276.78 and 11,409.05

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Solution

The fourth proportional to 15,533.21, 23,276.78 and 11,409.05 is: 17,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533.21 : 23,276.78 = 11,409.05 : x
  2. Step 2: Convert to fraction form
    15,533.21/23,276.78 = 11,409.05/x
  3. Step 3: Cross multiply
    15,533.21x = 23,276.78 × 11,409.05
  4. Step 4: Simplify right side
    15,533.21x = 265,565,990.79
  5. Step 5: Solve for x
    x = 265,565,990.79/15,533.21
  6. Step 6: Final answer
    x = 17,096.66

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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.