Home / 25,100.80-37,688.40-14,029.60

Finding the Fourth Proportional to 25,100.80, 37,688.40 and 14,029.60

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Solution

The fourth proportional to 25,100.80, 37,688.40 and 14,029.60 is: 21,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,100.80 : 37,688.40 = 14,029.60 : x
  2. Step 2: Convert to fraction form
    25,100.80/37,688.40 = 14,029.60/x
  3. Step 3: Cross multiply
    25,100.80x = 37,688.40 × 14,029.60
  4. Step 4: Simplify right side
    25,100.80x = 528,753,176.64
  5. Step 5: Solve for x
    x = 528,753,176.64/25,100.80
  6. Step 6: Final answer
    x = 21,065.19

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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.