Home / 25,301.23-34,915.52-13,971.44

Finding the Fourth Proportional to 25,301.23, 34,915.52 and 13,971.44

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Solution

The fourth proportional to 25,301.23, 34,915.52 and 13,971.44 is: 19,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,301.23 : 34,915.52 = 13,971.44 : x
  2. Step 2: Convert to fraction form
    25,301.23/34,915.52 = 13,971.44/x
  3. Step 3: Cross multiply
    25,301.23x = 34,915.52 × 13,971.44
  4. Step 4: Simplify right side
    25,301.23x = 487,820,018.57
  5. Step 5: Solve for x
    x = 487,820,018.57/25,301.23
  6. Step 6: Final answer
    x = 19,280.49

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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.