Home / 14,164.11-19,546.05-7,790.70

Finding the Fourth Proportional to 14,164.11, 19,546.05 and 7,790.70

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Solution

The fourth proportional to 14,164.11, 19,546.05 and 7,790.70 is: 10,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.11 : 19,546.05 = 7,790.70 : x
  2. Step 2: Convert to fraction form
    14,164.11/19,546.05 = 7,790.70/x
  3. Step 3: Cross multiply
    14,164.11x = 19,546.05 × 7,790.70
  4. Step 4: Simplify right side
    14,164.11x = 152,277,411.74
  5. Step 5: Solve for x
    x = 152,277,411.74/14,164.11
  6. Step 6: Final answer
    x = 10,750.93

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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.