Home / 25,670.92-35,426.12-15,060.72

Finding the Fourth Proportional to 25,670.92, 35,426.12 and 15,060.72

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Solution

The fourth proportional to 25,670.92, 35,426.12 and 15,060.72 is: 20,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,670.92 : 35,426.12 = 15,060.72 : x
  2. Step 2: Convert to fraction form
    25,670.92/35,426.12 = 15,060.72/x
  3. Step 3: Cross multiply
    25,670.92x = 35,426.12 × 15,060.72
  4. Step 4: Simplify right side
    25,670.92x = 533,542,874.01
  5. Step 5: Solve for x
    x = 533,542,874.01/25,670.92
  6. Step 6: Final answer
    x = 20,783.94

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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.