Home / 25,533.60-38,333.52-19,694.40

Finding the Fourth Proportional to 25,533.60, 38,333.52 and 19,694.40

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Solution

The fourth proportional to 25,533.60, 38,333.52 and 19,694.40 is: 29,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533.60 : 38,333.52 = 19,694.40 : x
  2. Step 2: Convert to fraction form
    25,533.60/38,333.52 = 19,694.40/x
  3. Step 3: Cross multiply
    25,533.60x = 38,333.52 × 19,694.40
  4. Step 4: Simplify right side
    25,533.60x = 754,955,676.29
  5. Step 5: Solve for x
    x = 754,955,676.29/25,533.60
  6. Step 6: Final answer
    x = 29,567.15

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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.