Home / 18,570.16-25,626.36-10,611.88

Finding the Fourth Proportional to 18,570.16, 25,626.36 and 10,611.88

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Solution

The fourth proportional to 18,570.16, 25,626.36 and 10,611.88 is: 14,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.16 : 25,626.36 = 10,611.88 : x
  2. Step 2: Convert to fraction form
    18,570.16/25,626.36 = 10,611.88/x
  3. Step 3: Cross multiply
    18,570.16x = 25,626.36 × 10,611.88
  4. Step 4: Simplify right side
    18,570.16x = 271,943,857.16
  5. Step 5: Solve for x
    x = 271,943,857.16/18,570.16
  6. Step 6: Final answer
    x = 14,644.13

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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.