Home / 16,912.85-23,340.57-10,200.65

Finding the Fourth Proportional to 16,912.85, 23,340.57 and 10,200.65

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Solution

The fourth proportional to 16,912.85, 23,340.57 and 10,200.65 is: 14,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.85 : 23,340.57 = 10,200.65 : x
  2. Step 2: Convert to fraction form
    16,912.85/23,340.57 = 10,200.65/x
  3. Step 3: Cross multiply
    16,912.85x = 23,340.57 × 10,200.65
  4. Step 4: Simplify right side
    16,912.85x = 238,088,985.37
  5. Step 5: Solve for x
    x = 238,088,985.37/16,912.85
  6. Step 6: Final answer
    x = 14,077.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.