Home / 29,389.83-40,557.84-15,960.99

Finding the Fourth Proportional to 29,389.83, 40,557.84 and 15,960.99

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Solution

The fourth proportional to 29,389.83, 40,557.84 and 15,960.99 is: 22,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.83 : 40,557.84 = 15,960.99 : x
  2. Step 2: Convert to fraction form
    29,389.83/40,557.84 = 15,960.99/x
  3. Step 3: Cross multiply
    29,389.83x = 40,557.84 × 15,960.99
  4. Step 4: Simplify right side
    29,389.83x = 647,343,278.66
  5. Step 5: Solve for x
    x = 647,343,278.66/29,389.83
  6. Step 6: Final answer
    x = 22,026.10

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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.