Home / 25,154.34-34,712.91-13,976.34

Finding the Fourth Proportional to 25,154.34, 34,712.91 and 13,976.34

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Solution

The fourth proportional to 25,154.34, 34,712.91 and 13,976.34 is: 19,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,154.34 : 34,712.91 = 13,976.34 : x
  2. Step 2: Convert to fraction form
    25,154.34/34,712.91 = 13,976.34/x
  3. Step 3: Cross multiply
    25,154.34x = 34,712.91 × 13,976.34
  4. Step 4: Simplify right side
    25,154.34x = 485,159,432.55
  5. Step 5: Solve for x
    x = 485,159,432.55/25,154.34
  6. Step 6: Final answer
    x = 19,287.31

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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.