Home / 18,913.95-26,097.27-10,955.70

Finding the Fourth Proportional to 18,913.95, 26,097.27 and 10,955.70

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Solution

The fourth proportional to 18,913.95, 26,097.27 and 10,955.70 is: 15,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913.95 : 26,097.27 = 10,955.70 : x
  2. Step 2: Convert to fraction form
    18,913.95/26,097.27 = 10,955.70/x
  3. Step 3: Cross multiply
    18,913.95x = 26,097.27 × 10,955.70
  4. Step 4: Simplify right side
    18,913.95x = 285,913,860.94
  5. Step 5: Solve for x
    x = 285,913,860.94/18,913.95
  6. Step 6: Final answer
    x = 15,116.56

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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.