Home / 19,518.84-26,938.44-11,564.10

Finding the Fourth Proportional to 19,518.84, 26,938.44 and 11,564.10

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Solution

The fourth proportional to 19,518.84, 26,938.44 and 11,564.10 is: 15,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.84 : 26,938.44 = 11,564.10 : x
  2. Step 2: Convert to fraction form
    19,518.84/26,938.44 = 11,564.10/x
  3. Step 3: Cross multiply
    19,518.84x = 26,938.44 × 11,564.10
  4. Step 4: Simplify right side
    19,518.84x = 311,518,814.00
  5. Step 5: Solve for x
    x = 311,518,814.00/19,518.84
  6. Step 6: Final answer
    x = 15,959.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.