Home / 16,908.40-25,368.01-7,048.72

Finding the Fourth Proportional to 16,908.40, 25,368.01 and 7,048.72

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Solution

The fourth proportional to 16,908.40, 25,368.01 and 7,048.72 is: 10,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.40 : 25,368.01 = 7,048.72 : x
  2. Step 2: Convert to fraction form
    16,908.40/25,368.01 = 7,048.72/x
  3. Step 3: Cross multiply
    16,908.40x = 25,368.01 × 7,048.72
  4. Step 4: Simplify right side
    16,908.40x = 178,811,999.45
  5. Step 5: Solve for x
    x = 178,811,999.45/16,908.40
  6. Step 6: Final answer
    x = 10,575.34

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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.