Home / 14,206.78-19,605.69-7,833.80

Finding the Fourth Proportional to 14,206.78, 19,605.69 and 7,833.80

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Solution

The fourth proportional to 14,206.78, 19,605.69 and 7,833.80 is: 10,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.78 : 19,605.69 = 7,833.80 : x
  2. Step 2: Convert to fraction form
    14,206.78/19,605.69 = 7,833.80/x
  3. Step 3: Cross multiply
    14,206.78x = 19,605.69 × 7,833.80
  4. Step 4: Simplify right side
    14,206.78x = 153,586,956.29
  5. Step 5: Solve for x
    x = 153,586,956.29/14,206.78
  6. Step 6: Final answer
    x = 10,810.82

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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.