Home / 25,817.45-38,730.21-11,026.45

Finding the Fourth Proportional to 25,817.45, 38,730.21 and 11,026.45

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Solution

The fourth proportional to 25,817.45, 38,730.21 and 11,026.45 is: 16,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,817.45 : 38,730.21 = 11,026.45 : x
  2. Step 2: Convert to fraction form
    25,817.45/38,730.21 = 11,026.45/x
  3. Step 3: Cross multiply
    25,817.45x = 38,730.21 × 11,026.45
  4. Step 4: Simplify right side
    25,817.45x = 427,056,530.40
  5. Step 5: Solve for x
    x = 427,056,530.40/25,817.45
  6. Step 6: Final answer
    x = 16,541.39

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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.