Home / 14,015.10-20,998.35-12,071.10

Finding the Fourth Proportional to 14,015.10, 20,998.35 and 12,071.10

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Solution

The fourth proportional to 14,015.10, 20,998.35 and 12,071.10 is: 18,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.10 : 20,998.35 = 12,071.10 : x
  2. Step 2: Convert to fraction form
    14,015.10/20,998.35 = 12,071.10/x
  3. Step 3: Cross multiply
    14,015.10x = 20,998.35 × 12,071.10
  4. Step 4: Simplify right side
    14,015.10x = 253,473,182.69
  5. Step 5: Solve for x
    x = 253,473,182.69/14,015.10
  6. Step 6: Final answer
    x = 18,085.72

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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.