Home / 19,051.52-28,621.08-13,442.10

Finding the Fourth Proportional to 19,051.52, 28,621.08 and 13,442.10

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Solution

The fourth proportional to 19,051.52, 28,621.08 and 13,442.10 is: 20,194.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.52 : 28,621.08 = 13,442.10 : x
  2. Step 2: Convert to fraction form
    19,051.52/28,621.08 = 13,442.10/x
  3. Step 3: Cross multiply
    19,051.52x = 28,621.08 × 13,442.10
  4. Step 4: Simplify right side
    19,051.52x = 384,727,419.47
  5. Step 5: Solve for x
    x = 384,727,419.47/19,051.52
  6. Step 6: Final answer
    x = 20,194.05

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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.