Home / 19,488.65-29,225.79-7,005.33

Finding the Fourth Proportional to 19,488.65, 29,225.79 and 7,005.33

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Solution

The fourth proportional to 19,488.65, 29,225.79 and 7,005.33 is: 10,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.65 : 29,225.79 = 7,005.33 : x
  2. Step 2: Convert to fraction form
    19,488.65/29,225.79 = 7,005.33/x
  3. Step 3: Cross multiply
    19,488.65x = 29,225.79 × 7,005.33
  4. Step 4: Simplify right side
    19,488.65x = 204,736,303.46
  5. Step 5: Solve for x
    x = 204,736,303.46/19,488.65
  6. Step 6: Final answer
    x = 10,505.41

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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.