Home / 14,159.50-19,532.75-8,491.52

Finding the Fourth Proportional to 14,159.50, 19,532.75 and 8,491.52

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Solution

The fourth proportional to 14,159.50, 19,532.75 and 8,491.52 is: 11,713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.50 : 19,532.75 = 8,491.52 : x
  2. Step 2: Convert to fraction form
    14,159.50/19,532.75 = 8,491.52/x
  3. Step 3: Cross multiply
    14,159.50x = 19,532.75 × 8,491.52
  4. Step 4: Simplify right side
    14,159.50x = 165,862,743.65
  5. Step 5: Solve for x
    x = 165,862,743.65/14,159.50
  6. Step 6: Final answer
    x = 11,713.89

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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.