Home / 29,386.21-40,553.06-15,957.69

Finding the Fourth Proportional to 29,386.21, 40,553.06 and 15,957.69

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Solution

The fourth proportional to 29,386.21, 40,553.06 and 15,957.69 is: 22,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,386.21 : 40,553.06 = 15,957.69 : x
  2. Step 2: Convert to fraction form
    29,386.21/40,553.06 = 15,957.69/x
  3. Step 3: Cross multiply
    29,386.21x = 40,553.06 × 15,957.69
  4. Step 4: Simplify right side
    29,386.21x = 647,133,156.28
  5. Step 5: Solve for x
    x = 647,133,156.28/29,386.21
  6. Step 6: Final answer
    x = 22,021.66

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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.