Home / 14,786.94-22,155.35-8,931.25

Finding the Fourth Proportional to 14,786.94, 22,155.35 and 8,931.25

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Solution

The fourth proportional to 14,786.94, 22,155.35 and 8,931.25 is: 13,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.94 : 22,155.35 = 8,931.25 : x
  2. Step 2: Convert to fraction form
    14,786.94/22,155.35 = 8,931.25/x
  3. Step 3: Cross multiply
    14,786.94x = 22,155.35 × 8,931.25
  4. Step 4: Simplify right side
    14,786.94x = 197,874,969.69
  5. Step 5: Solve for x
    x = 197,874,969.69/14,786.94
  6. Step 6: Final answer
    x = 13,381.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.