Home / 19,964.14-29,770.10-18,983.10

Finding the Fourth Proportional to 19,964.14, 29,770.10 and 18,983.10

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Solution

The fourth proportional to 19,964.14, 29,770.10 and 18,983.10 is: 28,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.14 : 29,770.10 = 18,983.10 : x
  2. Step 2: Convert to fraction form
    19,964.14/29,770.10 = 18,983.10/x
  3. Step 3: Cross multiply
    19,964.14x = 29,770.10 × 18,983.10
  4. Step 4: Simplify right side
    19,964.14x = 565,128,785.31
  5. Step 5: Solve for x
    x = 565,128,785.31/19,964.14
  6. Step 6: Final answer
    x = 28,307.19

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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.