Home / 19,905.32-29,814.91-9,359.54

Finding the Fourth Proportional to 19,905.32, 29,814.91 and 9,359.54

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Solution

The fourth proportional to 19,905.32, 29,814.91 and 9,359.54 is: 14,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.32 : 29,814.91 = 9,359.54 : x
  2. Step 2: Convert to fraction form
    19,905.32/29,814.91 = 9,359.54/x
  3. Step 3: Cross multiply
    19,905.32x = 29,814.91 × 9,359.54
  4. Step 4: Simplify right side
    19,905.32x = 279,053,707.54
  5. Step 5: Solve for x
    x = 279,053,707.54/19,905.32
  6. Step 6: Final answer
    x = 14,019.05

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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.