Home / 18,114.03-24,988.10-12,074.67

Finding the Fourth Proportional to 18,114.03, 24,988.10 and 12,074.67

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Solution

The fourth proportional to 18,114.03, 24,988.10 and 12,074.67 is: 16,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.03 : 24,988.10 = 12,074.67 : x
  2. Step 2: Convert to fraction form
    18,114.03/24,988.10 = 12,074.67/x
  3. Step 3: Cross multiply
    18,114.03x = 24,988.10 × 12,074.67
  4. Step 4: Simplify right side
    18,114.03x = 301,723,001.05
  5. Step 5: Solve for x
    x = 301,723,001.05/18,114.03
  6. Step 6: Final answer
    x = 16,656.87

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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.