Home / 25,339.92-34,980.84-14,725.68

Finding the Fourth Proportional to 25,339.92, 34,980.84 and 14,725.68

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Solution

The fourth proportional to 25,339.92, 34,980.84 and 14,725.68 is: 20,328.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,339.92 : 34,980.84 = 14,725.68 : x
  2. Step 2: Convert to fraction form
    25,339.92/34,980.84 = 14,725.68/x
  3. Step 3: Cross multiply
    25,339.92x = 34,980.84 × 14,725.68
  4. Step 4: Simplify right side
    25,339.92x = 515,116,655.97
  5. Step 5: Solve for x
    x = 515,116,655.97/25,339.92
  6. Step 6: Final answer
    x = 20,328.27

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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.