Home / 14,325.09-21,488.20-6,824.79

Finding the Fourth Proportional to 14,325.09, 21,488.20 and 6,824.79

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Solution

The fourth proportional to 14,325.09, 21,488.20 and 6,824.79 is: 10,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.09 : 21,488.20 = 6,824.79 : x
  2. Step 2: Convert to fraction form
    14,325.09/21,488.20 = 6,824.79/x
  3. Step 3: Cross multiply
    14,325.09x = 21,488.20 × 6,824.79
  4. Step 4: Simplify right side
    14,325.09x = 146,652,473.81
  5. Step 5: Solve for x
    x = 146,652,473.81/14,325.09
  6. Step 6: Final answer
    x = 10,237.46

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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.