Home / 16,828.60-25,242.90-15,516.40

Finding the Fourth Proportional to 16,828.60, 25,242.90 and 15,516.40

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Solution

The fourth proportional to 16,828.60, 25,242.90 and 15,516.40 is: 23,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.60 : 25,242.90 = 15,516.40 : x
  2. Step 2: Convert to fraction form
    16,828.60/25,242.90 = 15,516.40/x
  3. Step 3: Cross multiply
    16,828.60x = 25,242.90 × 15,516.40
  4. Step 4: Simplify right side
    16,828.60x = 391,678,933.56
  5. Step 5: Solve for x
    x = 391,678,933.56/16,828.60
  6. Step 6: Final answer
    x = 23,274.60

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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.