Home / 25,241.47-34,828.11-15,804.56

Finding the Fourth Proportional to 25,241.47, 34,828.11 and 15,804.56

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Solution

The fourth proportional to 25,241.47, 34,828.11 and 15,804.56 is: 21,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,241.47 : 34,828.11 = 15,804.56 : x
  2. Step 2: Convert to fraction form
    25,241.47/34,828.11 = 15,804.56/x
  3. Step 3: Cross multiply
    25,241.47x = 34,828.11 × 15,804.56
  4. Step 4: Simplify right side
    25,241.47x = 550,443,041.25
  5. Step 5: Solve for x
    x = 550,443,041.25/25,241.47
  6. Step 6: Final answer
    x = 21,807.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.