Home / 15,543.82-23,308.51-5,011.86

Finding the Fourth Proportional to 15,543.82, 23,308.51 and 5,011.86

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Solution

The fourth proportional to 15,543.82, 23,308.51 and 5,011.86 is: 7,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.82 : 23,308.51 = 5,011.86 : x
  2. Step 2: Convert to fraction form
    15,543.82/23,308.51 = 5,011.86/x
  3. Step 3: Cross multiply
    15,543.82x = 23,308.51 × 5,011.86
  4. Step 4: Simplify right side
    15,543.82x = 116,818,988.93
  5. Step 5: Solve for x
    x = 116,818,988.93/15,543.82
  6. Step 6: Final answer
    x = 7,515.46

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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.