Home / 14,012.40-19,318.52-11,613.38

Finding the Fourth Proportional to 14,012.40, 19,318.52 and 11,613.38

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Solution

The fourth proportional to 14,012.40, 19,318.52 and 11,613.38 is: 16,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.40 : 19,318.52 = 11,613.38 : x
  2. Step 2: Convert to fraction form
    14,012.40/19,318.52 = 11,613.38/x
  3. Step 3: Cross multiply
    14,012.40x = 19,318.52 × 11,613.38
  4. Step 4: Simplify right side
    14,012.40x = 224,353,159.14
  5. Step 5: Solve for x
    x = 224,353,159.14/14,012.40
  6. Step 6: Final answer
    x = 16,011.04

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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.