Home / 19,711.12-29,492.54-11,784.46

Finding the Fourth Proportional to 19,711.12, 29,492.54 and 11,784.46

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Solution

The fourth proportional to 19,711.12, 29,492.54 and 11,784.46 is: 17,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.12 : 29,492.54 = 11,784.46 : x
  2. Step 2: Convert to fraction form
    19,711.12/29,492.54 = 11,784.46/x
  3. Step 3: Cross multiply
    19,711.12x = 29,492.54 × 11,784.46
  4. Step 4: Simplify right side
    19,711.12x = 347,553,657.93
  5. Step 5: Solve for x
    x = 347,553,657.93/19,711.12
  6. Step 6: Final answer
    x = 17,632.36

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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.