Home / 29,378.98-40,543.02-15,950.23

Finding the Fourth Proportional to 29,378.98, 40,543.02 and 15,950.23

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Solution

The fourth proportional to 29,378.98, 40,543.02 and 15,950.23 is: 22,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.98 : 40,543.02 = 15,950.23 : x
  2. Step 2: Convert to fraction form
    29,378.98/40,543.02 = 15,950.23/x
  3. Step 3: Cross multiply
    29,378.98x = 40,543.02 × 15,950.23
  4. Step 4: Simplify right side
    29,378.98x = 646,670,493.89
  5. Step 5: Solve for x
    x = 646,670,493.89/29,378.98
  6. Step 6: Final answer
    x = 22,011.33

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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.