Home / 19,258.65-28,835.82-10,005.21

Finding the Fourth Proportional to 19,258.65, 28,835.82 and 10,005.21

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Solution

The fourth proportional to 19,258.65, 28,835.82 and 10,005.21 is: 14,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.65 : 28,835.82 = 10,005.21 : x
  2. Step 2: Convert to fraction form
    19,258.65/28,835.82 = 10,005.21/x
  3. Step 3: Cross multiply
    19,258.65x = 28,835.82 × 10,005.21
  4. Step 4: Simplify right side
    19,258.65x = 288,508,434.62
  5. Step 5: Solve for x
    x = 288,508,434.62/19,258.65
  6. Step 6: Final answer
    x = 14,980.72

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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.