Home / 19,898.64-29,798.04-11,888.46

Finding the Fourth Proportional to 19,898.64, 29,798.04 and 11,888.46

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Solution

The fourth proportional to 19,898.64, 29,798.04 and 11,888.46 is: 17,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.64 : 29,798.04 = 11,888.46 : x
  2. Step 2: Convert to fraction form
    19,898.64/29,798.04 = 11,888.46/x
  3. Step 3: Cross multiply
    19,898.64x = 29,798.04 × 11,888.46
  4. Step 4: Simplify right side
    19,898.64x = 354,252,806.62
  5. Step 5: Solve for x
    x = 354,252,806.62/19,898.64
  6. Step 6: Final answer
    x = 17,802.87

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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.