Home / 14,162.63-21,206.88-11,935.53

Finding the Fourth Proportional to 14,162.63, 21,206.88 and 11,935.53

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Solution

The fourth proportional to 14,162.63, 21,206.88 and 11,935.53 is: 17,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.63 : 21,206.88 = 11,935.53 : x
  2. Step 2: Convert to fraction form
    14,162.63/21,206.88 = 11,935.53/x
  3. Step 3: Cross multiply
    14,162.63x = 21,206.88 × 11,935.53
  4. Step 4: Simplify right side
    14,162.63x = 253,115,352.45
  5. Step 5: Solve for x
    x = 253,115,352.45/14,162.63
  6. Step 6: Final answer
    x = 17,872.06

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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.