Home / 14,475.39-21,591.37-13,146.58

Finding the Fourth Proportional to 14,475.39, 21,591.37 and 13,146.58

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Solution

The fourth proportional to 14,475.39, 21,591.37 and 13,146.58 is: 19,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.39 : 21,591.37 = 13,146.58 : x
  2. Step 2: Convert to fraction form
    14,475.39/21,591.37 = 13,146.58/x
  3. Step 3: Cross multiply
    14,475.39x = 21,591.37 × 13,146.58
  4. Step 4: Simplify right side
    14,475.39x = 283,852,673.01
  5. Step 5: Solve for x
    x = 283,852,673.01/14,475.39
  6. Step 6: Final answer
    x = 19,609.33

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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.