Home / 14,072.70-19,417.95-8,769.18

Finding the Fourth Proportional to 14,072.70, 19,417.95 and 8,769.18

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Solution

The fourth proportional to 14,072.70, 19,417.95 and 8,769.18 is: 12,099.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.70 : 19,417.95 = 8,769.18 : x
  2. Step 2: Convert to fraction form
    14,072.70/19,417.95 = 8,769.18/x
  3. Step 3: Cross multiply
    14,072.70x = 19,417.95 × 8,769.18
  4. Step 4: Simplify right side
    14,072.70x = 170,279,498.78
  5. Step 5: Solve for x
    x = 170,279,498.78/14,072.70
  6. Step 6: Final answer
    x = 12,099.99

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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.