Home / 19,459.27-26,855.81-11,910.63

Finding the Fourth Proportional to 19,459.27, 26,855.81 and 11,910.63

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Solution

The fourth proportional to 19,459.27, 26,855.81 and 11,910.63 is: 16,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.27 : 26,855.81 = 11,910.63 : x
  2. Step 2: Convert to fraction form
    19,459.27/26,855.81 = 11,910.63/x
  3. Step 3: Cross multiply
    19,459.27x = 26,855.81 × 11,910.63
  4. Step 4: Simplify right side
    19,459.27x = 319,869,646.04
  5. Step 5: Solve for x
    x = 319,869,646.04/19,459.27
  6. Step 6: Final answer
    x = 16,437.91

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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.