Home / 35,612.13-53,421.83-12,235.53

Finding the Fourth Proportional to 35,612.13, 53,421.83 and 12,235.53

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Solution

The fourth proportional to 35,612.13, 53,421.83 and 12,235.53 is: 18,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,612.13 : 53,421.83 = 12,235.53 : x
  2. Step 2: Convert to fraction form
    35,612.13/53,421.83 = 12,235.53/x
  3. Step 3: Cross multiply
    35,612.13x = 53,421.83 × 12,235.53
  4. Step 4: Simplify right side
    35,612.13x = 653,644,342.44
  5. Step 5: Solve for x
    x = 653,644,342.44/35,612.13
  6. Step 6: Final answer
    x = 18,354.54

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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.