Home / 18,390.32-27,585.44-6,698.76

Finding the Fourth Proportional to 18,390.32, 27,585.44 and 6,698.76

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Solution

The fourth proportional to 18,390.32, 27,585.44 and 6,698.76 is: 10,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.32 : 27,585.44 = 6,698.76 : x
  2. Step 2: Convert to fraction form
    18,390.32/27,585.44 = 6,698.76/x
  3. Step 3: Cross multiply
    18,390.32x = 27,585.44 × 6,698.76
  4. Step 4: Simplify right side
    18,390.32x = 184,788,242.05
  5. Step 5: Solve for x
    x = 184,788,242.05/18,390.32
  6. Step 6: Final answer
    x = 10,048.13

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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.