Home / 25,125.80-37,664.70-9,326.60

Finding the Fourth Proportional to 25,125.80, 37,664.70 and 9,326.60

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Solution

The fourth proportional to 25,125.80, 37,664.70 and 9,326.60 is: 13,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,125.80 : 37,664.70 = 9,326.60 : x
  2. Step 2: Convert to fraction form
    25,125.80/37,664.70 = 9,326.60/x
  3. Step 3: Cross multiply
    25,125.80x = 37,664.70 × 9,326.60
  4. Step 4: Simplify right side
    25,125.80x = 351,283,591.02
  5. Step 5: Solve for x
    x = 351,283,591.02/25,125.80
  6. Step 6: Final answer
    x = 13,980.99

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1.5x scale

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.