Home / 18,530.83-25,576.52-11,814.91

Finding the Fourth Proportional to 18,530.83, 25,576.52 and 11,814.91

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Solution

The fourth proportional to 18,530.83, 25,576.52 and 11,814.91 is: 16,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.83 : 25,576.52 = 11,814.91 : x
  2. Step 2: Convert to fraction form
    18,530.83/25,576.52 = 11,814.91/x
  3. Step 3: Cross multiply
    18,530.83x = 25,576.52 × 11,814.91
  4. Step 4: Simplify right side
    18,530.83x = 302,184,281.91
  5. Step 5: Solve for x
    x = 302,184,281.91/18,530.83
  6. Step 6: Final answer
    x = 16,307.11

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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.