Home / 25,636.84-38,432.36-13,796.96

Finding the Fourth Proportional to 25,636.84, 38,432.36 and 13,796.96

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Solution

The fourth proportional to 25,636.84, 38,432.36 and 13,796.96 is: 20,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636.84 : 38,432.36 = 13,796.96 : x
  2. Step 2: Convert to fraction form
    25,636.84/38,432.36 = 13,796.96/x
  3. Step 3: Cross multiply
    25,636.84x = 38,432.36 × 13,796.96
  4. Step 4: Simplify right side
    25,636.84x = 530,249,733.63
  5. Step 5: Solve for x
    x = 530,249,733.63/25,636.84
  6. Step 6: Final answer
    x = 20,683.12

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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.