Home / 29,554.54-40,769.13-18,932.20

Finding the Fourth Proportional to 29,554.54, 40,769.13 and 18,932.20

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Solution

The fourth proportional to 29,554.54, 40,769.13 and 18,932.20 is: 26,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,554.54 : 40,769.13 = 18,932.20 : x
  2. Step 2: Convert to fraction form
    29,554.54/40,769.13 = 18,932.20/x
  3. Step 3: Cross multiply
    29,554.54x = 40,769.13 × 18,932.20
  4. Step 4: Simplify right side
    29,554.54x = 771,849,322.99
  5. Step 5: Solve for x
    x = 771,849,322.99/29,554.54
  6. Step 6: Final answer
    x = 26,116.10

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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.