Home / 13,669.14-20,482.15-9,954.28

Finding the Fourth Proportional to 13,669.14, 20,482.15 and 9,954.28

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Solution

The fourth proportional to 13,669.14, 20,482.15 and 9,954.28 is: 14,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.14 : 20,482.15 = 9,954.28 : x
  2. Step 2: Convert to fraction form
    13,669.14/20,482.15 = 9,954.28/x
  3. Step 3: Cross multiply
    13,669.14x = 20,482.15 × 9,954.28
  4. Step 4: Simplify right side
    13,669.14x = 203,885,056.10
  5. Step 5: Solve for x
    x = 203,885,056.10/13,669.14
  6. Step 6: Final answer
    x = 14,915.72

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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.