Home / 18,359.74-25,335.63-10,401.81

Finding the Fourth Proportional to 18,359.74, 25,335.63 and 10,401.81

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Solution

The fourth proportional to 18,359.74, 25,335.63 and 10,401.81 is: 14,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.74 : 25,335.63 = 10,401.81 : x
  2. Step 2: Convert to fraction form
    18,359.74/25,335.63 = 10,401.81/x
  3. Step 3: Cross multiply
    18,359.74x = 25,335.63 × 10,401.81
  4. Step 4: Simplify right side
    18,359.74x = 263,536,409.49
  5. Step 5: Solve for x
    x = 263,536,409.49/18,359.74
  6. Step 6: Final answer
    x = 14,354.04

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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.