Home / 14,051.42-19,390.93-8,082.96

Finding the Fourth Proportional to 14,051.42, 19,390.93 and 8,082.96

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Solution

The fourth proportional to 14,051.42, 19,390.93 and 8,082.96 is: 11,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.42 : 19,390.93 = 8,082.96 : x
  2. Step 2: Convert to fraction form
    14,051.42/19,390.93 = 8,082.96/x
  3. Step 3: Cross multiply
    14,051.42x = 19,390.93 × 8,082.96
  4. Step 4: Simplify right side
    14,051.42x = 156,736,111.55
  5. Step 5: Solve for x
    x = 156,736,111.55/14,051.42
  6. Step 6: Final answer
    x = 11,154.47

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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.