Home / 19,165.48-26,457.68-12,795.84

Finding the Fourth Proportional to 19,165.48, 26,457.68 and 12,795.84

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Solution

The fourth proportional to 19,165.48, 26,457.68 and 12,795.84 is: 17,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.48 : 26,457.68 = 12,795.84 : x
  2. Step 2: Convert to fraction form
    19,165.48/26,457.68 = 12,795.84/x
  3. Step 3: Cross multiply
    19,165.48x = 26,457.68 × 12,795.84
  4. Step 4: Simplify right side
    19,165.48x = 338,548,240.05
  5. Step 5: Solve for x
    x = 338,548,240.05/19,165.48
  6. Step 6: Final answer
    x = 17,664.48

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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.