Home / 19,397.15-29,097.40-5,357.17

Finding the Fourth Proportional to 19,397.15, 29,097.40 and 5,357.17

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Solution

The fourth proportional to 19,397.15, 29,097.40 and 5,357.17 is: 8,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.15 : 29,097.40 = 5,357.17 : x
  2. Step 2: Convert to fraction form
    19,397.15/29,097.40 = 5,357.17/x
  3. Step 3: Cross multiply
    19,397.15x = 29,097.40 × 5,357.17
  4. Step 4: Simplify right side
    19,397.15x = 155,879,718.36
  5. Step 5: Solve for x
    x = 155,879,718.36/19,397.15
  6. Step 6: Final answer
    x = 8,036.22

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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.