Home / 18,570.05-25,626.74-10,612.54

Finding the Fourth Proportional to 18,570.05, 25,626.74 and 10,612.54

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Solution

The fourth proportional to 18,570.05, 25,626.74 and 10,612.54 is: 14,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.05 : 25,626.74 = 10,612.54 : x
  2. Step 2: Convert to fraction form
    18,570.05/25,626.74 = 10,612.54/x
  3. Step 3: Cross multiply
    18,570.05x = 25,626.74 × 10,612.54
  4. Step 4: Simplify right side
    18,570.05x = 271,964,803.32
  5. Step 5: Solve for x
    x = 271,964,803.32/18,570.05
  6. Step 6: Final answer
    x = 14,645.35

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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.