Home / 14,549.40-20,078.26-8,176.04

Finding the Fourth Proportional to 14,549.40, 20,078.26 and 8,176.04

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Solution

The fourth proportional to 14,549.40, 20,078.26 and 8,176.04 is: 11,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.40 : 20,078.26 = 8,176.04 : x
  2. Step 2: Convert to fraction form
    14,549.40/20,078.26 = 8,176.04/x
  3. Step 3: Cross multiply
    14,549.40x = 20,078.26 × 8,176.04
  4. Step 4: Simplify right side
    14,549.40x = 164,160,656.89
  5. Step 5: Solve for x
    x = 164,160,656.89/14,549.40
  6. Step 6: Final answer
    x = 11,282.98

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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.