Home / 29,386.93-40,561.02-16,818.97

Finding the Fourth Proportional to 29,386.93, 40,561.02 and 16,818.97

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Solution

The fourth proportional to 29,386.93, 40,561.02 and 16,818.97 is: 23,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,386.93 : 40,561.02 = 16,818.97 : x
  2. Step 2: Convert to fraction form
    29,386.93/40,561.02 = 16,818.97/x
  3. Step 3: Cross multiply
    29,386.93x = 40,561.02 × 16,818.97
  4. Step 4: Simplify right side
    29,386.93x = 682,194,578.55
  5. Step 5: Solve for x
    x = 682,194,578.55/29,386.93
  6. Step 6: Final answer
    x = 23,214.22

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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.