Home / 43,707.98-65,560.28-12,543.23

Finding the Fourth Proportional to 43,707.98, 65,560.28 and 12,543.23

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Solution

The fourth proportional to 43,707.98, 65,560.28 and 12,543.23 is: 18,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,707.98 : 65,560.28 = 12,543.23 : x
  2. Step 2: Convert to fraction form
    43,707.98/65,560.28 = 12,543.23/x
  3. Step 3: Cross multiply
    43,707.98x = 65,560.28 × 12,543.23
  4. Step 4: Simplify right side
    43,707.98x = 822,337,670.90
  5. Step 5: Solve for x
    x = 822,337,670.90/43,707.98
  6. Step 6: Final answer
    x = 18,814.36

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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.