Home / 13,664.14-20,492.15-5,871.13

Finding the Fourth Proportional to 13,664.14, 20,492.15 and 5,871.13

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Solution

The fourth proportional to 13,664.14, 20,492.15 and 5,871.13 is: 8,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.14 : 20,492.15 = 5,871.13 : x
  2. Step 2: Convert to fraction form
    13,664.14/20,492.15 = 5,871.13/x
  3. Step 3: Cross multiply
    13,664.14x = 20,492.15 × 5,871.13
  4. Step 4: Simplify right side
    13,664.14x = 120,312,076.63
  5. Step 5: Solve for x
    x = 120,312,076.63/13,664.14
  6. Step 6: Final answer
    x = 8,804.95

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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.