Home / 19,210.89-26,503.30-11,654.48

Finding the Fourth Proportional to 19,210.89, 26,503.30 and 11,654.48

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Solution

The fourth proportional to 19,210.89, 26,503.30 and 11,654.48 is: 16,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210.89 : 26,503.30 = 11,654.48 : x
  2. Step 2: Convert to fraction form
    19,210.89/26,503.30 = 11,654.48/x
  3. Step 3: Cross multiply
    19,210.89x = 26,503.30 × 11,654.48
  4. Step 4: Simplify right side
    19,210.89x = 308,882,260.61
  5. Step 5: Solve for x
    x = 308,882,260.61/19,210.89
  6. Step 6: Final answer
    x = 16,078.50

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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.