Home / 25,157.84-37,701-18,531.92

Finding the Fourth Proportional to 25,157.84, 37,701 and 18,531.92

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Solution

The fourth proportional to 25,157.84, 37,701 and 18,531.92 is: 27,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157.84 : 37,701 = 18,531.92 : x
  2. Step 2: Convert to fraction form
    25,157.84/37,701 = 18,531.92/x
  3. Step 3: Cross multiply
    25,157.84x = 37,701 × 18,531.92
  4. Step 4: Simplify right side
    25,157.84x = 698,671,915.92
  5. Step 5: Solve for x
    x = 698,671,915.92/25,157.84
  6. Step 6: Final answer
    x = 27,771.54

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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.