Home / 18,934.88-26,130.86-10,551.92

Finding the Fourth Proportional to 18,934.88, 26,130.86 and 10,551.92

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Solution

The fourth proportional to 18,934.88, 26,130.86 and 10,551.92 is: 14,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.88 : 26,130.86 = 10,551.92 : x
  2. Step 2: Convert to fraction form
    18,934.88/26,130.86 = 10,551.92/x
  3. Step 3: Cross multiply
    18,934.88x = 26,130.86 × 10,551.92
  4. Step 4: Simplify right side
    18,934.88x = 275,730,744.25
  5. Step 5: Solve for x
    x = 275,730,744.25/18,934.88
  6. Step 6: Final answer
    x = 14,562.05

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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.