Home / 18,358.67-25,334.45-10,403.46

Finding the Fourth Proportional to 18,358.67, 25,334.45 and 10,403.46

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Solution

The fourth proportional to 18,358.67, 25,334.45 and 10,403.46 is: 14,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.67 : 25,334.45 = 10,403.46 : x
  2. Step 2: Convert to fraction form
    18,358.67/25,334.45 = 10,403.46/x
  3. Step 3: Cross multiply
    18,358.67x = 25,334.45 × 10,403.46
  4. Step 4: Simplify right side
    18,358.67x = 263,565,885.18
  5. Step 5: Solve for x
    x = 263,565,885.18/18,358.67
  6. Step 6: Final answer
    x = 14,356.48

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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.