Home / 14,439.08-19,925.06-8,388.38

Finding the Fourth Proportional to 14,439.08, 19,925.06 and 8,388.38

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Solution

The fourth proportional to 14,439.08, 19,925.06 and 8,388.38 is: 11,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.08 : 19,925.06 = 8,388.38 : x
  2. Step 2: Convert to fraction form
    14,439.08/19,925.06 = 8,388.38/x
  3. Step 3: Cross multiply
    14,439.08x = 19,925.06 × 8,388.38
  4. Step 4: Simplify right side
    14,439.08x = 167,138,982.67
  5. Step 5: Solve for x
    x = 167,138,982.67/14,439.08
  6. Step 6: Final answer
    x = 11,575.46

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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.