Home / 18,313.76-25,259.64-11,600.48

Finding the Fourth Proportional to 18,313.76, 25,259.64 and 11,600.48

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Solution

The fourth proportional to 18,313.76, 25,259.64 and 11,600.48 is: 16,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.76 : 25,259.64 = 11,600.48 : x
  2. Step 2: Convert to fraction form
    18,313.76/25,259.64 = 11,600.48/x
  3. Step 3: Cross multiply
    18,313.76x = 25,259.64 × 11,600.48
  4. Step 4: Simplify right side
    18,313.76x = 293,023,948.63
  5. Step 5: Solve for x
    x = 293,023,948.63/18,313.76
  6. Step 6: Final answer
    x = 16,000.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.