Home / 19,913.76-29,852.18-8,814.53

Finding the Fourth Proportional to 19,913.76, 29,852.18 and 8,814.53

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Solution

The fourth proportional to 19,913.76, 29,852.18 and 8,814.53 is: 13,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.76 : 29,852.18 = 8,814.53 : x
  2. Step 2: Convert to fraction form
    19,913.76/29,852.18 = 8,814.53/x
  3. Step 3: Cross multiply
    19,913.76x = 29,852.18 × 8,814.53
  4. Step 4: Simplify right side
    19,913.76x = 263,132,892.10
  5. Step 5: Solve for x
    x = 263,132,892.10/19,913.76
  6. Step 6: Final answer
    x = 13,213.62

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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.