Home / 13,574.07-20,348.50-5,259.52

Finding the Fourth Proportional to 13,574.07, 20,348.50 and 5,259.52

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Solution

The fourth proportional to 13,574.07, 20,348.50 and 5,259.52 is: 7,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.07 : 20,348.50 = 5,259.52 : x
  2. Step 2: Convert to fraction form
    13,574.07/20,348.50 = 5,259.52/x
  3. Step 3: Cross multiply
    13,574.07x = 20,348.50 × 5,259.52
  4. Step 4: Simplify right side
    13,574.07x = 107,023,342.72
  5. Step 5: Solve for x
    x = 107,023,342.72/13,574.07
  6. Step 6: Final answer
    x = 7,884.40

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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.