Home / 14,889.33-20,547.54-8,175.57

Finding the Fourth Proportional to 14,889.33, 20,547.54 and 8,175.57

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Solution

The fourth proportional to 14,889.33, 20,547.54 and 8,175.57 is: 11,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.33 : 20,547.54 = 8,175.57 : x
  2. Step 2: Convert to fraction form
    14,889.33/20,547.54 = 8,175.57/x
  3. Step 3: Cross multiply
    14,889.33x = 20,547.54 × 8,175.57
  4. Step 4: Simplify right side
    14,889.33x = 167,987,851.60
  5. Step 5: Solve for x
    x = 167,987,851.60/14,889.33
  6. Step 6: Final answer
    x = 11,282.43

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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.