Home / 14,186.40-21,259.69-11,211.77

Finding the Fourth Proportional to 14,186.40, 21,259.69 and 11,211.77

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Solution

The fourth proportional to 14,186.40, 21,259.69 and 11,211.77 is: 16,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.40 : 21,259.69 = 11,211.77 : x
  2. Step 2: Convert to fraction form
    14,186.40/21,259.69 = 11,211.77/x
  3. Step 3: Cross multiply
    14,186.40x = 21,259.69 × 11,211.77
  4. Step 4: Simplify right side
    14,186.40x = 238,358,754.55
  5. Step 5: Solve for x
    x = 238,358,754.55/14,186.40
  6. Step 6: Final answer
    x = 16,801.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.