Home / 18,215.80-27,316.16-6,367.08

Finding the Fourth Proportional to 18,215.80, 27,316.16 and 6,367.08

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Solution

The fourth proportional to 18,215.80, 27,316.16 and 6,367.08 is: 9,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.80 : 27,316.16 = 6,367.08 : x
  2. Step 2: Convert to fraction form
    18,215.80/27,316.16 = 6,367.08/x
  3. Step 3: Cross multiply
    18,215.80x = 27,316.16 × 6,367.08
  4. Step 4: Simplify right side
    18,215.80x = 173,924,055.35
  5. Step 5: Solve for x
    x = 173,924,055.35/18,215.80
  6. Step 6: Final answer
    x = 9,547.98

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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.