Home / 16,439.16-24,688.44-15,120.56

Finding the Fourth Proportional to 16,439.16, 24,688.44 and 15,120.56

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Solution

The fourth proportional to 16,439.16, 24,688.44 and 15,120.56 is: 22,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.16 : 24,688.44 = 15,120.56 : x
  2. Step 2: Convert to fraction form
    16,439.16/24,688.44 = 15,120.56/x
  3. Step 3: Cross multiply
    16,439.16x = 24,688.44 × 15,120.56
  4. Step 4: Simplify right side
    16,439.16x = 373,303,038.33
  5. Step 5: Solve for x
    x = 373,303,038.33/16,439.16
  6. Step 6: Final answer
    x = 22,708.16

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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.