Home / 18,547.43-27,818.31-5,397.08

Finding the Fourth Proportional to 18,547.43, 27,818.31 and 5,397.08

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Solution

The fourth proportional to 18,547.43, 27,818.31 and 5,397.08 is: 8,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.43 : 27,818.31 = 5,397.08 : x
  2. Step 2: Convert to fraction form
    18,547.43/27,818.31 = 5,397.08/x
  3. Step 3: Cross multiply
    18,547.43x = 27,818.31 × 5,397.08
  4. Step 4: Simplify right side
    18,547.43x = 150,137,644.53
  5. Step 5: Solve for x
    x = 150,137,644.53/18,547.43
  6. Step 6: Final answer
    x = 8,094.80

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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.