Home / 35,253.20-52,856.15-13,886.38

Finding the Fourth Proportional to 35,253.20, 52,856.15 and 13,886.38

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Solution

The fourth proportional to 35,253.20, 52,856.15 and 13,886.38 is: 20,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,253.20 : 52,856.15 = 13,886.38 : x
  2. Step 2: Convert to fraction form
    35,253.20/52,856.15 = 13,886.38/x
  3. Step 3: Cross multiply
    35,253.20x = 52,856.15 × 13,886.38
  4. Step 4: Simplify right side
    35,253.20x = 733,980,514.81
  5. Step 5: Solve for x
    x = 733,980,514.81/35,253.20
  6. Step 6: Final answer
    x = 20,820.25

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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.