Home / 14,493.24-19,995.96-8,204.40

Finding the Fourth Proportional to 14,493.24, 19,995.96 and 8,204.40

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Solution

The fourth proportional to 14,493.24, 19,995.96 and 8,204.40 is: 11,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.24 : 19,995.96 = 8,204.40 : x
  2. Step 2: Convert to fraction form
    14,493.24/19,995.96 = 8,204.40/x
  3. Step 3: Cross multiply
    14,493.24x = 19,995.96 × 8,204.40
  4. Step 4: Simplify right side
    14,493.24x = 164,054,854.22
  5. Step 5: Solve for x
    x = 164,054,854.22/14,493.24
  6. Step 6: Final answer
    x = 11,319.41

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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.