Home / 18,637.02-25,720.74-10,679.04

Finding the Fourth Proportional to 18,637.02, 25,720.74 and 10,679.04

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Solution

The fourth proportional to 18,637.02, 25,720.74 and 10,679.04 is: 14,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.02 : 25,720.74 = 10,679.04 : x
  2. Step 2: Convert to fraction form
    18,637.02/25,720.74 = 10,679.04/x
  3. Step 3: Cross multiply
    18,637.02x = 25,720.74 × 10,679.04
  4. Step 4: Simplify right side
    18,637.02x = 274,672,811.29
  5. Step 5: Solve for x
    x = 274,672,811.29/18,637.02
  6. Step 6: Final answer
    x = 14,738.02

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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.