Home / 19,970.54-27,559.45-11,018.05

Finding the Fourth Proportional to 19,970.54, 27,559.45 and 11,018.05

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Solution

The fourth proportional to 19,970.54, 27,559.45 and 11,018.05 is: 15,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.54 : 27,559.45 = 11,018.05 : x
  2. Step 2: Convert to fraction form
    19,970.54/27,559.45 = 11,018.05/x
  3. Step 3: Cross multiply
    19,970.54x = 27,559.45 × 11,018.05
  4. Step 4: Simplify right side
    19,970.54x = 303,651,301.63
  5. Step 5: Solve for x
    x = 303,651,301.63/19,970.54
  6. Step 6: Final answer
    x = 15,204.96

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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.