Home / 35,420.22-53,134.38-11,730.89

Finding the Fourth Proportional to 35,420.22, 53,134.38 and 11,730.89

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Solution

The fourth proportional to 35,420.22, 53,134.38 and 11,730.89 is: 17,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.22 : 53,134.38 = 11,730.89 : x
  2. Step 2: Convert to fraction form
    35,420.22/53,134.38 = 11,730.89/x
  3. Step 3: Cross multiply
    35,420.22x = 53,134.38 × 11,730.89
  4. Step 4: Simplify right side
    35,420.22x = 623,313,699.83
  5. Step 5: Solve for x
    x = 623,313,699.83/35,420.22
  6. Step 6: Final answer
    x = 17,597.68

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1.5x scale

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.