Home / 18,440.48-25,447.95-10,484.37

Finding the Fourth Proportional to 18,440.48, 25,447.95 and 10,484.37

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Solution

The fourth proportional to 18,440.48, 25,447.95 and 10,484.37 is: 14,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.48 : 25,447.95 = 10,484.37 : x
  2. Step 2: Convert to fraction form
    18,440.48/25,447.95 = 10,484.37/x
  3. Step 3: Cross multiply
    18,440.48x = 25,447.95 × 10,484.37
  4. Step 4: Simplify right side
    18,440.48x = 266,805,723.54
  5. Step 5: Solve for x
    x = 266,805,723.54/18,440.48
  6. Step 6: Final answer
    x = 14,468.48

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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.