Home / 18,100.16-27,113.28-9,316.62

Finding the Fourth Proportional to 18,100.16, 27,113.28 and 9,316.62

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Solution

The fourth proportional to 18,100.16, 27,113.28 and 9,316.62 is: 13,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.16 : 27,113.28 = 9,316.62 : x
  2. Step 2: Convert to fraction form
    18,100.16/27,113.28 = 9,316.62/x
  3. Step 3: Cross multiply
    18,100.16x = 27,113.28 × 9,316.62
  4. Step 4: Simplify right side
    18,100.16x = 252,604,126.71
  5. Step 5: Solve for x
    x = 252,604,126.71/18,100.16
  6. Step 6: Final answer
    x = 13,955.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.