Home / 19,768.01-29,659.91-8,681.13

Finding the Fourth Proportional to 19,768.01, 29,659.91 and 8,681.13

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Solution

The fourth proportional to 19,768.01, 29,659.91 and 8,681.13 is: 13,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.01 : 29,659.91 = 8,681.13 : x
  2. Step 2: Convert to fraction form
    19,768.01/29,659.91 = 8,681.13/x
  3. Step 3: Cross multiply
    19,768.01x = 29,659.91 × 8,681.13
  4. Step 4: Simplify right side
    19,768.01x = 257,481,491.09
  5. Step 5: Solve for x
    x = 257,481,491.09/19,768.01
  6. Step 6: Final answer
    x = 13,025.16

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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.