Home / 18,160.04-25,063.08-11,089.28

Finding the Fourth Proportional to 18,160.04, 25,063.08 and 11,089.28

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Solution

The fourth proportional to 18,160.04, 25,063.08 and 11,089.28 is: 15,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.04 : 25,063.08 = 11,089.28 : x
  2. Step 2: Convert to fraction form
    18,160.04/25,063.08 = 11,089.28/x
  3. Step 3: Cross multiply
    18,160.04x = 25,063.08 × 11,089.28
  4. Step 4: Simplify right side
    18,160.04x = 277,931,511.78
  5. Step 5: Solve for x
    x = 277,931,511.78/18,160.04
  6. Step 6: Final answer
    x = 15,304.56

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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.