Home / 14,467.84-19,979.85-10,003.12

Finding the Fourth Proportional to 14,467.84, 19,979.85 and 10,003.12

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Solution

The fourth proportional to 14,467.84, 19,979.85 and 10,003.12 is: 13,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,467.84 : 19,979.85 = 10,003.12 : x
  2. Step 2: Convert to fraction form
    14,467.84/19,979.85 = 10,003.12/x
  3. Step 3: Cross multiply
    14,467.84x = 19,979.85 × 10,003.12
  4. Step 4: Simplify right side
    14,467.84x = 199,860,837.13
  5. Step 5: Solve for x
    x = 199,860,837.13/14,467.84
  6. Step 6: Final answer
    x = 13,814.14

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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.