Home / 14,147.90-19,524.47-8,483.57

Finding the Fourth Proportional to 14,147.90, 19,524.47 and 8,483.57

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Solution

The fourth proportional to 14,147.90, 19,524.47 and 8,483.57 is: 11,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.90 : 19,524.47 = 8,483.57 : x
  2. Step 2: Convert to fraction form
    14,147.90/19,524.47 = 8,483.57/x
  3. Step 3: Cross multiply
    14,147.90x = 19,524.47 × 8,483.57
  4. Step 4: Simplify right side
    14,147.90x = 165,637,207.96
  5. Step 5: Solve for x
    x = 165,637,207.96/14,147.90
  6. Step 6: Final answer
    x = 11,707.55

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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.