Home / 19,461.36-26,867.44-11,909.60

Finding the Fourth Proportional to 19,461.36, 26,867.44 and 11,909.60

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Solution

The fourth proportional to 19,461.36, 26,867.44 and 11,909.60 is: 16,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.36 : 26,867.44 = 11,909.60 : x
  2. Step 2: Convert to fraction form
    19,461.36/26,867.44 = 11,909.60/x
  3. Step 3: Cross multiply
    19,461.36x = 26,867.44 × 11,909.60
  4. Step 4: Simplify right side
    19,461.36x = 319,980,463.42
  5. Step 5: Solve for x
    x = 319,980,463.42/19,461.36
  6. Step 6: Final answer
    x = 16,441.83

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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.