Home / 18,328.98-27,498.18-8,475.32

Finding the Fourth Proportional to 18,328.98, 27,498.18 and 8,475.32

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Solution

The fourth proportional to 18,328.98, 27,498.18 and 8,475.32 is: 12,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.98 : 27,498.18 = 8,475.32 : x
  2. Step 2: Convert to fraction form
    18,328.98/27,498.18 = 8,475.32/x
  3. Step 3: Cross multiply
    18,328.98x = 27,498.18 × 8,475.32
  4. Step 4: Simplify right side
    18,328.98x = 233,055,874.92
  5. Step 5: Solve for x
    x = 233,055,874.92/18,328.98
  6. Step 6: Final answer
    x = 12,715.16

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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.