Home / 14,322.13-19,764.69-8,271.94

Finding the Fourth Proportional to 14,322.13, 19,764.69 and 8,271.94

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Solution

The fourth proportional to 14,322.13, 19,764.69 and 8,271.94 is: 11,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.13 : 19,764.69 = 8,271.94 : x
  2. Step 2: Convert to fraction form
    14,322.13/19,764.69 = 8,271.94/x
  3. Step 3: Cross multiply
    14,322.13x = 19,764.69 × 8,271.94
  4. Step 4: Simplify right side
    14,322.13x = 163,492,329.80
  5. Step 5: Solve for x
    x = 163,492,329.80/14,322.13
  6. Step 6: Final answer
    x = 11,415.36

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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.