Home / 19,953.07-27,534-11,000.11

Finding the Fourth Proportional to 19,953.07, 27,534 and 11,000.11

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Solution

The fourth proportional to 19,953.07, 27,534 and 11,000.11 is: 15,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.07 : 27,534 = 11,000.11 : x
  2. Step 2: Convert to fraction form
    19,953.07/27,534 = 11,000.11/x
  3. Step 3: Cross multiply
    19,953.07x = 27,534 × 11,000.11
  4. Step 4: Simplify right side
    19,953.07x = 302,877,028.74
  5. Step 5: Solve for x
    x = 302,877,028.74/19,953.07
  6. Step 6: Final answer
    x = 15,179.47

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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.