Home / 18,030.49-27,047.90-7,507.62

Finding the Fourth Proportional to 18,030.49, 27,047.90 and 7,507.62

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Solution

The fourth proportional to 18,030.49, 27,047.90 and 7,507.62 is: 11,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.49 : 27,047.90 = 7,507.62 : x
  2. Step 2: Convert to fraction form
    18,030.49/27,047.90 = 7,507.62/x
  3. Step 3: Cross multiply
    18,030.49x = 27,047.90 × 7,507.62
  4. Step 4: Simplify right side
    18,030.49x = 203,065,373.77
  5. Step 5: Solve for x
    x = 203,065,373.77/18,030.49
  6. Step 6: Final answer
    x = 11,262.33

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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.