Home / 14,491.12-19,988.22-11,341.84

Finding the Fourth Proportional to 14,491.12, 19,988.22 and 11,341.84

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Solution

The fourth proportional to 14,491.12, 19,988.22 and 11,341.84 is: 15,644.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.12 : 19,988.22 = 11,341.84 : x
  2. Step 2: Convert to fraction form
    14,491.12/19,988.22 = 11,341.84/x
  3. Step 3: Cross multiply
    14,491.12x = 19,988.22 × 11,341.84
  4. Step 4: Simplify right side
    14,491.12x = 226,703,193.12
  5. Step 5: Solve for x
    x = 226,703,193.12/14,491.12
  6. Step 6: Final answer
    x = 15,644.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.