Home / 18,333.04-25,366.26-15,980.08

Finding the Fourth Proportional to 18,333.04, 25,366.26 and 15,980.08

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Solution

The fourth proportional to 18,333.04, 25,366.26 and 15,980.08 is: 22,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.04 : 25,366.26 = 15,980.08 : x
  2. Step 2: Convert to fraction form
    18,333.04/25,366.26 = 15,980.08/x
  3. Step 3: Cross multiply
    18,333.04x = 25,366.26 × 15,980.08
  4. Step 4: Simplify right side
    18,333.04x = 405,354,864.10
  5. Step 5: Solve for x
    x = 405,354,864.10/18,333.04
  6. Step 6: Final answer
    x = 22,110.62

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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.