Home / 14,979.24-20,668.50-10,261.80

Finding the Fourth Proportional to 14,979.24, 20,668.50 and 10,261.80

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Solution

The fourth proportional to 14,979.24, 20,668.50 and 10,261.80 is: 14,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.24 : 20,668.50 = 10,261.80 : x
  2. Step 2: Convert to fraction form
    14,979.24/20,668.50 = 10,261.80/x
  3. Step 3: Cross multiply
    14,979.24x = 20,668.50 × 10,261.80
  4. Step 4: Simplify right side
    14,979.24x = 212,096,013.30
  5. Step 5: Solve for x
    x = 212,096,013.30/14,979.24
  6. Step 6: Final answer
    x = 14,159.33

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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.