Home / 16,853.99-23,266.40-9,779.04

Finding the Fourth Proportional to 16,853.99, 23,266.40 and 9,779.04

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Solution

The fourth proportional to 16,853.99, 23,266.40 and 9,779.04 is: 13,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.99 : 23,266.40 = 9,779.04 : x
  2. Step 2: Convert to fraction form
    16,853.99/23,266.40 = 9,779.04/x
  3. Step 3: Cross multiply
    16,853.99x = 23,266.40 × 9,779.04
  4. Step 4: Simplify right side
    16,853.99x = 227,523,007.36
  5. Step 5: Solve for x
    x = 227,523,007.36/16,853.99
  6. Step 6: Final answer
    x = 13,499.66

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Half scale
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Double scale
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Similar ratio
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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.