Home / 18,635.02-25,718.03-10,679.82

Finding the Fourth Proportional to 18,635.02, 25,718.03 and 10,679.82

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Solution

The fourth proportional to 18,635.02, 25,718.03 and 10,679.82 is: 14,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.02 : 25,718.03 = 10,679.82 : x
  2. Step 2: Convert to fraction form
    18,635.02/25,718.03 = 10,679.82/x
  3. Step 3: Cross multiply
    18,635.02x = 25,718.03 × 10,679.82
  4. Step 4: Simplify right side
    18,635.02x = 274,663,931.15
  5. Step 5: Solve for x
    x = 274,663,931.15/18,635.02
  6. Step 6: Final answer
    x = 14,739.13

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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.