Home / 18,766.94-25,890.32-10,807.46

Finding the Fourth Proportional to 18,766.94, 25,890.32 and 10,807.46

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Solution

The fourth proportional to 18,766.94, 25,890.32 and 10,807.46 is: 14,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.94 : 25,890.32 = 10,807.46 : x
  2. Step 2: Convert to fraction form
    18,766.94/25,890.32 = 10,807.46/x
  3. Step 3: Cross multiply
    18,766.94x = 25,890.32 × 10,807.46
  4. Step 4: Simplify right side
    18,766.94x = 279,808,597.79
  5. Step 5: Solve for x
    x = 279,808,597.79/18,766.94
  6. Step 6: Final answer
    x = 14,909.65

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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.