Home / 25,301.27-34,915.57-13,971.47

Finding the Fourth Proportional to 25,301.27, 34,915.57 and 13,971.47

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Solution

The fourth proportional to 25,301.27, 34,915.57 and 13,971.47 is: 19,280.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,301.27 : 34,915.57 = 13,971.47 : x
  2. Step 2: Convert to fraction form
    25,301.27/34,915.57 = 13,971.47/x
  3. Step 3: Cross multiply
    25,301.27x = 34,915.57 × 13,971.47
  4. Step 4: Simplify right side
    25,301.27x = 487,821,594.35
  5. Step 5: Solve for x
    x = 487,821,594.35/25,301.27
  6. Step 6: Final answer
    x = 19,280.52

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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.