Home / 19,070.79-28,606.35-7,832.31

Finding the Fourth Proportional to 19,070.79, 28,606.35 and 7,832.31

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Solution

The fourth proportional to 19,070.79, 28,606.35 and 7,832.31 is: 11,748.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.79 : 28,606.35 = 7,832.31 : x
  2. Step 2: Convert to fraction form
    19,070.79/28,606.35 = 7,832.31/x
  3. Step 3: Cross multiply
    19,070.79x = 28,606.35 × 7,832.31
  4. Step 4: Simplify right side
    19,070.79x = 224,053,801.17
  5. Step 5: Solve for x
    x = 224,053,801.17/19,070.79
  6. Step 6: Final answer
    x = 11,748.53

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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.