Home / 19,950.48-27,526.56-12,679.92

Finding the Fourth Proportional to 19,950.48, 27,526.56 and 12,679.92

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Solution

The fourth proportional to 19,950.48, 27,526.56 and 12,679.92 is: 17,495.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.48 : 27,526.56 = 12,679.92 : x
  2. Step 2: Convert to fraction form
    19,950.48/27,526.56 = 12,679.92/x
  3. Step 3: Cross multiply
    19,950.48x = 27,526.56 × 12,679.92
  4. Step 4: Simplify right side
    19,950.48x = 349,034,578.68
  5. Step 5: Solve for x
    x = 349,034,578.68/19,950.48
  6. Step 6: Final answer
    x = 17,495.05

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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.