Home / 18,430.84-25,435.45-10,367.02

Finding the Fourth Proportional to 18,430.84, 25,435.45 and 10,367.02

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Solution

The fourth proportional to 18,430.84, 25,435.45 and 10,367.02 is: 14,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.84 : 25,435.45 = 10,367.02 : x
  2. Step 2: Convert to fraction form
    18,430.84/25,435.45 = 10,367.02/x
  3. Step 3: Cross multiply
    18,430.84x = 25,435.45 × 10,367.02
  4. Step 4: Simplify right side
    18,430.84x = 263,689,818.86
  5. Step 5: Solve for x
    x = 263,689,818.86/18,430.84
  6. Step 6: Final answer
    x = 14,306.99

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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.