Home / 19,483.74-29,167.29-12,543.66

Finding the Fourth Proportional to 19,483.74, 29,167.29 and 12,543.66

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Solution

The fourth proportional to 19,483.74, 29,167.29 and 12,543.66 is: 18,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.74 : 29,167.29 = 12,543.66 : x
  2. Step 2: Convert to fraction form
    19,483.74/29,167.29 = 12,543.66/x
  3. Step 3: Cross multiply
    19,483.74x = 29,167.29 × 12,543.66
  4. Step 4: Simplify right side
    19,483.74x = 365,864,568.88
  5. Step 5: Solve for x
    x = 365,864,568.88/19,483.74
  6. Step 6: Final answer
    x = 18,777.94

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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.