Home / 18,366.08-25,345.32-9,982.58

Finding the Fourth Proportional to 18,366.08, 25,345.32 and 9,982.58

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Solution

The fourth proportional to 18,366.08, 25,345.32 and 9,982.58 is: 13,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.08 : 25,345.32 = 9,982.58 : x
  2. Step 2: Convert to fraction form
    18,366.08/25,345.32 = 9,982.58/x
  3. Step 3: Cross multiply
    18,366.08x = 25,345.32 × 9,982.58
  4. Step 4: Simplify right side
    18,366.08x = 253,011,684.53
  5. Step 5: Solve for x
    x = 253,011,684.53/18,366.08
  6. Step 6: Final answer
    x = 13,776.03

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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.