Home / 18,934.35-26,126.33-10,975.02

Finding the Fourth Proportional to 18,934.35, 26,126.33 and 10,975.02

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Solution

The fourth proportional to 18,934.35, 26,126.33 and 10,975.02 is: 15,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.35 : 26,126.33 = 10,975.02 : x
  2. Step 2: Convert to fraction form
    18,934.35/26,126.33 = 10,975.02/x
  3. Step 3: Cross multiply
    18,934.35x = 26,126.33 × 10,975.02
  4. Step 4: Simplify right side
    18,934.35x = 286,736,994.28
  5. Step 5: Solve for x
    x = 286,736,994.28/18,934.35
  6. Step 6: Final answer
    x = 15,143.75

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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.