Home / 25,435.02-38,139.21-10,641.18

Finding the Fourth Proportional to 25,435.02, 38,139.21 and 10,641.18

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Solution

The fourth proportional to 25,435.02, 38,139.21 and 10,641.18 is: 15,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.02 : 38,139.21 = 10,641.18 : x
  2. Step 2: Convert to fraction form
    25,435.02/38,139.21 = 10,641.18/x
  3. Step 3: Cross multiply
    25,435.02x = 38,139.21 × 10,641.18
  4. Step 4: Simplify right side
    25,435.02x = 405,846,198.67
  5. Step 5: Solve for x
    x = 405,846,198.67/25,435.02
  6. Step 6: Final answer
    x = 15,956.20

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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.