Home / 14,564.34-21,840.30-5,206.75

Finding the Fourth Proportional to 14,564.34, 21,840.30 and 5,206.75

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Solution

The fourth proportional to 14,564.34, 21,840.30 and 5,206.75 is: 7,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,564.34 : 21,840.30 = 5,206.75 : x
  2. Step 2: Convert to fraction form
    14,564.34/21,840.30 = 5,206.75/x
  3. Step 3: Cross multiply
    14,564.34x = 21,840.30 × 5,206.75
  4. Step 4: Simplify right side
    14,564.34x = 113,716,927.42
  5. Step 5: Solve for x
    x = 113,716,927.42/14,564.34
  6. Step 6: Final answer
    x = 7,807.90

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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.