Home / 14,122.06-19,488.54-7,834.84

Finding the Fourth Proportional to 14,122.06, 19,488.54 and 7,834.84

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Solution

The fourth proportional to 14,122.06, 19,488.54 and 7,834.84 is: 10,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.06 : 19,488.54 = 7,834.84 : x
  2. Step 2: Convert to fraction form
    14,122.06/19,488.54 = 7,834.84/x
  3. Step 3: Cross multiply
    14,122.06x = 19,488.54 × 7,834.84
  4. Step 4: Simplify right side
    14,122.06x = 152,689,592.73
  5. Step 5: Solve for x
    x = 152,689,592.73/14,122.06
  6. Step 6: Final answer
    x = 10,812.13

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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.