Home / 15,572.74-23,345.21-5,709.72

Finding the Fourth Proportional to 15,572.74, 23,345.21 and 5,709.72

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Solution

The fourth proportional to 15,572.74, 23,345.21 and 5,709.72 is: 8,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.74 : 23,345.21 = 5,709.72 : x
  2. Step 2: Convert to fraction form
    15,572.74/23,345.21 = 5,709.72/x
  3. Step 3: Cross multiply
    15,572.74x = 23,345.21 × 5,709.72
  4. Step 4: Simplify right side
    15,572.74x = 133,294,495.72
  5. Step 5: Solve for x
    x = 133,294,495.72/15,572.74
  6. Step 6: Final answer
    x = 8,559.48

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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.