Home / 18,359.78-25,337.95-10,403.96

Finding the Fourth Proportional to 18,359.78, 25,337.95 and 10,403.96

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Solution

The fourth proportional to 18,359.78, 25,337.95 and 10,403.96 is: 14,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.78 : 25,337.95 = 10,403.96 : x
  2. Step 2: Convert to fraction form
    18,359.78/25,337.95 = 10,403.96/x
  3. Step 3: Cross multiply
    18,359.78x = 25,337.95 × 10,403.96
  4. Step 4: Simplify right side
    18,359.78x = 263,614,865.58
  5. Step 5: Solve for x
    x = 263,614,865.58/18,359.78
  6. Step 6: Final answer
    x = 14,358.28

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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.