Home / 14,051.10-21,090.30-10,964.70

Finding the Fourth Proportional to 14,051.10, 21,090.30 and 10,964.70

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Solution

The fourth proportional to 14,051.10, 21,090.30 and 10,964.70 is: 16,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.10 : 21,090.30 = 10,964.70 : x
  2. Step 2: Convert to fraction form
    14,051.10/21,090.30 = 10,964.70/x
  3. Step 3: Cross multiply
    14,051.10x = 21,090.30 × 10,964.70
  4. Step 4: Simplify right side
    14,051.10x = 231,248,812.41
  5. Step 5: Solve for x
    x = 231,248,812.41/14,051.10
  6. Step 6: Final answer
    x = 16,457.70

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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.