Home / 18,629.07-25,705.40-10,670.01

Finding the Fourth Proportional to 18,629.07, 25,705.40 and 10,670.01

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Solution

The fourth proportional to 18,629.07, 25,705.40 and 10,670.01 is: 14,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.07 : 25,705.40 = 10,670.01 : x
  2. Step 2: Convert to fraction form
    18,629.07/25,705.40 = 10,670.01/x
  3. Step 3: Cross multiply
    18,629.07x = 25,705.40 × 10,670.01
  4. Step 4: Simplify right side
    18,629.07x = 274,276,821.70
  5. Step 5: Solve for x
    x = 274,276,821.70/18,629.07
  6. Step 6: Final answer
    x = 14,723.05

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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.