Home / 15,427.63-23,124.33-7,642.03

Finding the Fourth Proportional to 15,427.63, 23,124.33 and 7,642.03

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Solution

The fourth proportional to 15,427.63, 23,124.33 and 7,642.03 is: 11,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.63 : 23,124.33 = 7,642.03 : x
  2. Step 2: Convert to fraction form
    15,427.63/23,124.33 = 7,642.03/x
  3. Step 3: Cross multiply
    15,427.63x = 23,124.33 × 7,642.03
  4. Step 4: Simplify right side
    15,427.63x = 176,716,785.38
  5. Step 5: Solve for x
    x = 176,716,785.38/15,427.63
  6. Step 6: Final answer
    x = 11,454.56

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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.