Home / 35,815.48-53,723.34-12,442.12

Finding the Fourth Proportional to 35,815.48, 53,723.34 and 12,442.12

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Solution

The fourth proportional to 35,815.48, 53,723.34 and 12,442.12 is: 18,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.48 : 53,723.34 = 12,442.12 : x
  2. Step 2: Convert to fraction form
    35,815.48/53,723.34 = 12,442.12/x
  3. Step 3: Cross multiply
    35,815.48x = 53,723.34 × 12,442.12
  4. Step 4: Simplify right side
    35,815.48x = 668,432,243.08
  5. Step 5: Solve for x
    x = 668,432,243.08/35,815.48
  6. Step 6: Final answer
    x = 18,663.22

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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.