Home / 19,955.54-27,538.76-11,002.89

Finding the Fourth Proportional to 19,955.54, 27,538.76 and 11,002.89

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Solution

The fourth proportional to 19,955.54, 27,538.76 and 11,002.89 is: 15,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.54 : 27,538.76 = 11,002.89 : x
  2. Step 2: Convert to fraction form
    19,955.54/27,538.76 = 11,002.89/x
  3. Step 3: Cross multiply
    19,955.54x = 27,538.76 × 11,002.89
  4. Step 4: Simplify right side
    19,955.54x = 303,005,878.17
  5. Step 5: Solve for x
    x = 303,005,878.17/19,955.54
  6. Step 6: Final answer
    x = 15,184.05

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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.