Home / 14,146.08-21,221.28-6,750.24

Finding the Fourth Proportional to 14,146.08, 21,221.28 and 6,750.24

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Solution

The fourth proportional to 14,146.08, 21,221.28 and 6,750.24 is: 10,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.08 : 21,221.28 = 6,750.24 : x
  2. Step 2: Convert to fraction form
    14,146.08/21,221.28 = 6,750.24/x
  3. Step 3: Cross multiply
    14,146.08x = 21,221.28 × 6,750.24
  4. Step 4: Simplify right side
    14,146.08x = 143,248,733.11
  5. Step 5: Solve for x
    x = 143,248,733.11/14,146.08
  6. Step 6: Final answer
    x = 10,126.39

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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.