Home / 18,570.05-25,626.86-10,072.18

Finding the Fourth Proportional to 18,570.05, 25,626.86 and 10,072.18

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Solution

The fourth proportional to 18,570.05, 25,626.86 and 10,072.18 is: 13,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.05 : 25,626.86 = 10,072.18 : x
  2. Step 2: Convert to fraction form
    18,570.05/25,626.86 = 10,072.18/x
  3. Step 3: Cross multiply
    18,570.05x = 25,626.86 × 10,072.18
  4. Step 4: Simplify right side
    18,570.05x = 258,118,346.75
  5. Step 5: Solve for x
    x = 258,118,346.75/18,570.05
  6. Step 6: Final answer
    x = 13,899.72

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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.