Home / 19,526.33-26,939.98-12,455.03

Finding the Fourth Proportional to 19,526.33, 26,939.98 and 12,455.03

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Solution

The fourth proportional to 19,526.33, 26,939.98 and 12,455.03 is: 17,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.33 : 26,939.98 = 12,455.03 : x
  2. Step 2: Convert to fraction form
    19,526.33/26,939.98 = 12,455.03/x
  3. Step 3: Cross multiply
    19,526.33x = 26,939.98 × 12,455.03
  4. Step 4: Simplify right side
    19,526.33x = 335,538,259.10
  5. Step 5: Solve for x
    x = 335,538,259.10/19,526.33
  6. Step 6: Final answer
    x = 17,183.89

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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.