Home / 14,000.45-21,004.00-4,005.34

Finding the Fourth Proportional to 14,000.45, 21,004.00 and 4,005.34

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Solution

The fourth proportional to 14,000.45, 21,004.00 and 4,005.34 is: 6,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.45 : 21,004.00 = 4,005.34 : x
  2. Step 2: Convert to fraction form
    14,000.45/21,004.00 = 4,005.34/x
  3. Step 3: Cross multiply
    14,000.45x = 21,004.00 × 4,005.34
  4. Step 4: Simplify right side
    14,000.45x = 84,128,098.84
  5. Step 5: Solve for x
    x = 84,128,098.84/14,000.45
  6. Step 6: Final answer
    x = 6,008.96

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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.