Home / 25,915.10-38,877.57-17,943.48

Finding the Fourth Proportional to 25,915.10, 38,877.57 and 17,943.48

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Solution

The fourth proportional to 25,915.10, 38,877.57 and 17,943.48 is: 26,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.10 : 38,877.57 = 17,943.48 : x
  2. Step 2: Convert to fraction form
    25,915.10/38,877.57 = 17,943.48/x
  3. Step 3: Cross multiply
    25,915.10x = 38,877.57 × 17,943.48
  4. Step 4: Simplify right side
    25,915.10x = 697,598,899.74
  5. Step 5: Solve for x
    x = 697,598,899.74/25,915.10
  6. Step 6: Final answer
    x = 26,918.63

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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.