Home / 14,491.12-21,614.88-13,162.32

Finding the Fourth Proportional to 14,491.12, 21,614.88 and 13,162.32

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Solution

The fourth proportional to 14,491.12, 21,614.88 and 13,162.32 is: 19,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.12 : 21,614.88 = 13,162.32 : x
  2. Step 2: Convert to fraction form
    14,491.12/21,614.88 = 13,162.32/x
  3. Step 3: Cross multiply
    14,491.12x = 21,614.88 × 13,162.32
  4. Step 4: Simplify right side
    14,491.12x = 284,501,967.32
  5. Step 5: Solve for x
    x = 284,501,967.32/14,491.12
  6. Step 6: Final answer
    x = 19,632.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.