Home / 19,955.10-27,538.23-11,002.95

Finding the Fourth Proportional to 19,955.10, 27,538.23 and 11,002.95

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Solution

The fourth proportional to 19,955.10, 27,538.23 and 11,002.95 is: 15,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.10 : 27,538.23 = 11,002.95 : x
  2. Step 2: Convert to fraction form
    19,955.10/27,538.23 = 11,002.95/x
  3. Step 3: Cross multiply
    19,955.10x = 27,538.23 × 11,002.95
  4. Step 4: Simplify right side
    19,955.10x = 303,001,767.78
  5. Step 5: Solve for x
    x = 303,001,767.78/19,955.10
  6. Step 6: Final answer
    x = 15,184.18

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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.