Home / 29,386.81-40,553.07-16,810.75

Finding the Fourth Proportional to 29,386.81, 40,553.07 and 16,810.75

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Solution

The fourth proportional to 29,386.81, 40,553.07 and 16,810.75 is: 23,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,386.81 : 40,553.07 = 16,810.75 : x
  2. Step 2: Convert to fraction form
    29,386.81/40,553.07 = 16,810.75/x
  3. Step 3: Cross multiply
    29,386.81x = 40,553.07 × 16,810.75
  4. Step 4: Simplify right side
    29,386.81x = 681,727,521.50
  5. Step 5: Solve for x
    x = 681,727,521.50/29,386.81
  6. Step 6: Final answer
    x = 23,198.42

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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.