Home / 25,411.68-38,127.96-10,623.72

Finding the Fourth Proportional to 25,411.68, 38,127.96 and 10,623.72

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Solution

The fourth proportional to 25,411.68, 38,127.96 and 10,623.72 is: 15,939.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.68 : 38,127.96 = 10,623.72 : x
  2. Step 2: Convert to fraction form
    25,411.68/38,127.96 = 10,623.72/x
  3. Step 3: Cross multiply
    25,411.68x = 38,127.96 × 10,623.72
  4. Step 4: Simplify right side
    25,411.68x = 405,060,771.21
  5. Step 5: Solve for x
    x = 405,060,771.21/25,411.68
  6. Step 6: Final answer
    x = 15,939.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.