Home / 29,302.11-40,436.96-15,873.48

Finding the Fourth Proportional to 29,302.11, 40,436.96 and 15,873.48

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Solution

The fourth proportional to 29,302.11, 40,436.96 and 15,873.48 is: 21,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,302.11 : 40,436.96 = 15,873.48 : x
  2. Step 2: Convert to fraction form
    29,302.11/40,436.96 = 15,873.48/x
  3. Step 3: Cross multiply
    29,302.11x = 40,436.96 × 15,873.48
  4. Step 4: Simplify right side
    29,302.11x = 641,875,196.45
  5. Step 5: Solve for x
    x = 641,875,196.45/29,302.11
  6. Step 6: Final answer
    x = 21,905.43

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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.