Home / 29,389.14-40,557.29-15,960.51

Finding the Fourth Proportional to 29,389.14, 40,557.29 and 15,960.51

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Solution

The fourth proportional to 29,389.14, 40,557.29 and 15,960.51 is: 22,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.14 : 40,557.29 = 15,960.51 : x
  2. Step 2: Convert to fraction form
    29,389.14/40,557.29 = 15,960.51/x
  3. Step 3: Cross multiply
    29,389.14x = 40,557.29 × 15,960.51
  4. Step 4: Simplify right side
    29,389.14x = 647,314,952.82
  5. Step 5: Solve for x
    x = 647,314,952.82/29,389.14
  6. Step 6: Final answer
    x = 22,025.65

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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.