Home / 14,070.24-20,979.72-12,524.76

Finding the Fourth Proportional to 14,070.24, 20,979.72 and 12,524.76

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Solution

The fourth proportional to 14,070.24, 20,979.72 and 12,524.76 is: 18,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.24 : 20,979.72 = 12,524.76 : x
  2. Step 2: Convert to fraction form
    14,070.24/20,979.72 = 12,524.76/x
  3. Step 3: Cross multiply
    14,070.24x = 20,979.72 × 12,524.76
  4. Step 4: Simplify right side
    14,070.24x = 262,765,957.87
  5. Step 5: Solve for x
    x = 262,765,957.87/14,070.24
  6. Step 6: Final answer
    x = 18,675.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.