Home / 12,048.63-18,083.75-10,086.54

Finding the Fourth Proportional to 12,048.63, 18,083.75 and 10,086.54

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Solution

The fourth proportional to 12,048.63, 18,083.75 and 10,086.54 is: 15,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.63 : 18,083.75 = 10,086.54 : x
  2. Step 2: Convert to fraction form
    12,048.63/18,083.75 = 10,086.54/x
  3. Step 3: Cross multiply
    12,048.63x = 18,083.75 × 10,086.54
  4. Step 4: Simplify right side
    12,048.63x = 182,402,417.29
  5. Step 5: Solve for x
    x = 182,402,417.29/12,048.63
  6. Step 6: Final answer
    x = 15,138.85

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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.