Home / 14,530.42-20,035.45-13,113.65

Finding the Fourth Proportional to 14,530.42, 20,035.45 and 13,113.65

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Solution

The fourth proportional to 14,530.42, 20,035.45 and 13,113.65 is: 18,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.42 : 20,035.45 = 13,113.65 : x
  2. Step 2: Convert to fraction form
    14,530.42/20,035.45 = 13,113.65/x
  3. Step 3: Cross multiply
    14,530.42x = 20,035.45 × 13,113.65
  4. Step 4: Simplify right side
    14,530.42x = 262,737,778.72
  5. Step 5: Solve for x
    x = 262,737,778.72/14,530.42
  6. Step 6: Final answer
    x = 18,081.92

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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.