Home / 19,370.07-29,051.28-5,326.47

Finding the Fourth Proportional to 19,370.07, 29,051.28 and 5,326.47

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Solution

The fourth proportional to 19,370.07, 29,051.28 and 5,326.47 is: 7,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.07 : 29,051.28 = 5,326.47 : x
  2. Step 2: Convert to fraction form
    19,370.07/29,051.28 = 5,326.47/x
  3. Step 3: Cross multiply
    19,370.07x = 29,051.28 × 5,326.47
  4. Step 4: Simplify right side
    19,370.07x = 154,740,771.38
  5. Step 5: Solve for x
    x = 154,740,771.38/19,370.07
  6. Step 6: Final answer
    x = 7,988.65

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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.