Home / 18,271.58-25,230.18-11,569.04

Finding the Fourth Proportional to 18,271.58, 25,230.18 and 11,569.04

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Solution

The fourth proportional to 18,271.58, 25,230.18 and 11,569.04 is: 15,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.58 : 25,230.18 = 11,569.04 : x
  2. Step 2: Convert to fraction form
    18,271.58/25,230.18 = 11,569.04/x
  3. Step 3: Cross multiply
    18,271.58x = 25,230.18 × 11,569.04
  4. Step 4: Simplify right side
    18,271.58x = 291,888,961.63
  5. Step 5: Solve for x
    x = 291,888,961.63/18,271.58
  6. Step 6: Final answer
    x = 15,975.03

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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.