Home / 15,661.08-23,462.19-7,754.40

Finding the Fourth Proportional to 15,661.08, 23,462.19 and 7,754.40

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Solution

The fourth proportional to 15,661.08, 23,462.19 and 7,754.40 is: 11,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.08 : 23,462.19 = 7,754.40 : x
  2. Step 2: Convert to fraction form
    15,661.08/23,462.19 = 7,754.40/x
  3. Step 3: Cross multiply
    15,661.08x = 23,462.19 × 7,754.40
  4. Step 4: Simplify right side
    15,661.08x = 181,935,206.14
  5. Step 5: Solve for x
    x = 181,935,206.14/15,661.08
  6. Step 6: Final answer
    x = 11,617.03

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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.