Home / 25,345.28-37,991.54-9,539.45

Finding the Fourth Proportional to 25,345.28, 37,991.54 and 9,539.45

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Solution

The fourth proportional to 25,345.28, 37,991.54 and 9,539.45 is: 14,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.28 : 37,991.54 = 9,539.45 : x
  2. Step 2: Convert to fraction form
    25,345.28/37,991.54 = 9,539.45/x
  3. Step 3: Cross multiply
    25,345.28x = 37,991.54 × 9,539.45
  4. Step 4: Simplify right side
    25,345.28x = 362,418,396.25
  5. Step 5: Solve for x
    x = 362,418,396.25/25,345.28
  6. Step 6: Final answer
    x = 14,299.25

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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.