Home / 19,370.10-29,051.33-5,326.51

Finding the Fourth Proportional to 19,370.10, 29,051.33 and 5,326.51

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Solution

The fourth proportional to 19,370.10, 29,051.33 and 5,326.51 is: 7,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.10 : 29,051.33 = 5,326.51 : x
  2. Step 2: Convert to fraction form
    19,370.10/29,051.33 = 5,326.51/x
  3. Step 3: Cross multiply
    19,370.10x = 29,051.33 × 5,326.51
  4. Step 4: Simplify right side
    19,370.10x = 154,742,027.87
  5. Step 5: Solve for x
    x = 154,742,027.87/19,370.10
  6. Step 6: Final answer
    x = 7,988.71

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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.