Home / 18,750.90-25,877.81-10,795.70

Finding the Fourth Proportional to 18,750.90, 25,877.81 and 10,795.70

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Solution

The fourth proportional to 18,750.90, 25,877.81 and 10,795.70 is: 14,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.90 : 25,877.81 = 10,795.70 : x
  2. Step 2: Convert to fraction form
    18,750.90/25,877.81 = 10,795.70/x
  3. Step 3: Cross multiply
    18,750.90x = 25,877.81 × 10,795.70
  4. Step 4: Simplify right side
    18,750.90x = 279,369,073.42
  5. Step 5: Solve for x
    x = 279,369,073.42/18,750.90
  6. Step 6: Final answer
    x = 14,898.97

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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.