Home / 15,568.56-23,360.04-7,782.48

Finding the Fourth Proportional to 15,568.56, 23,360.04 and 7,782.48

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Solution

The fourth proportional to 15,568.56, 23,360.04 and 7,782.48 is: 11,677.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.56 : 23,360.04 = 7,782.48 : x
  2. Step 2: Convert to fraction form
    15,568.56/23,360.04 = 7,782.48/x
  3. Step 3: Cross multiply
    15,568.56x = 23,360.04 × 7,782.48
  4. Step 4: Simplify right side
    15,568.56x = 181,799,044.10
  5. Step 5: Solve for x
    x = 181,799,044.10/15,568.56
  6. Step 6: Final answer
    x = 11,677.32

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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.