Home / 23,990.04-33,105.24-13,379.40

Finding the Fourth Proportional to 23,990.04, 33,105.24 and 13,379.40

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Solution

The fourth proportional to 23,990.04, 33,105.24 and 13,379.40 is: 18,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.04 : 33,105.24 = 13,379.40 : x
  2. Step 2: Convert to fraction form
    23,990.04/33,105.24 = 13,379.40/x
  3. Step 3: Cross multiply
    23,990.04x = 33,105.24 × 13,379.40
  4. Step 4: Simplify right side
    23,990.04x = 442,928,248.06
  5. Step 5: Solve for x
    x = 442,928,248.06/23,990.04
  6. Step 6: Final answer
    x = 18,463.01

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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.