Home / 25,622.16-35,374.72-19,642.56

Finding the Fourth Proportional to 25,622.16, 35,374.72 and 19,642.56

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Solution

The fourth proportional to 25,622.16, 35,374.72 and 19,642.56 is: 27,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.16 : 35,374.72 = 19,642.56 : x
  2. Step 2: Convert to fraction form
    25,622.16/35,374.72 = 19,642.56/x
  3. Step 3: Cross multiply
    25,622.16x = 35,374.72 × 19,642.56
  4. Step 4: Simplify right side
    25,622.16x = 694,850,060.08
  5. Step 5: Solve for x
    x = 694,850,060.08/25,622.16
  6. Step 6: Final answer
    x = 27,119.11

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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.