Home / 27,474.15-37,915.05-15,539.25

Finding the Fourth Proportional to 27,474.15, 37,915.05 and 15,539.25

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Solution

The fourth proportional to 27,474.15, 37,915.05 and 15,539.25 is: 21,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,474.15 : 37,915.05 = 15,539.25 : x
  2. Step 2: Convert to fraction form
    27,474.15/37,915.05 = 15,539.25/x
  3. Step 3: Cross multiply
    27,474.15x = 37,915.05 × 15,539.25
  4. Step 4: Simplify right side
    27,474.15x = 589,171,440.71
  5. Step 5: Solve for x
    x = 589,171,440.71/27,474.15
  6. Step 6: Final answer
    x = 21,444.57

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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.