Home / 18,333.76-25,301.28-10,376.32

Finding the Fourth Proportional to 18,333.76, 25,301.28 and 10,376.32

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Solution

The fourth proportional to 18,333.76, 25,301.28 and 10,376.32 is: 14,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.76 : 25,301.28 = 10,376.32 : x
  2. Step 2: Convert to fraction form
    18,333.76/25,301.28 = 10,376.32/x
  3. Step 3: Cross multiply
    18,333.76x = 25,301.28 × 10,376.32
  4. Step 4: Simplify right side
    18,333.76x = 262,534,177.69
  5. Step 5: Solve for x
    x = 262,534,177.69/18,333.76
  6. Step 6: Final answer
    x = 14,319.71

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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.