Home / 18,750.84-25,876.08-10,367.40

Finding the Fourth Proportional to 18,750.84, 25,876.08 and 10,367.40

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Solution

The fourth proportional to 18,750.84, 25,876.08 and 10,367.40 is: 14,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.84 : 25,876.08 = 10,367.40 : x
  2. Step 2: Convert to fraction form
    18,750.84/25,876.08 = 10,367.40/x
  3. Step 3: Cross multiply
    18,750.84x = 25,876.08 × 10,367.40
  4. Step 4: Simplify right side
    18,750.84x = 268,267,671.79
  5. Step 5: Solve for x
    x = 268,267,671.79/18,750.84
  6. Step 6: Final answer
    x = 14,306.97

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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.