Home / 13,451.10-18,562.86-7,482.41

Finding the Fourth Proportional to 13,451.10, 18,562.86 and 7,482.41

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Solution

The fourth proportional to 13,451.10, 18,562.86 and 7,482.41 is: 10,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.10 : 18,562.86 = 7,482.41 : x
  2. Step 2: Convert to fraction form
    13,451.10/18,562.86 = 7,482.41/x
  3. Step 3: Cross multiply
    13,451.10x = 18,562.86 × 7,482.41
  4. Step 4: Simplify right side
    13,451.10x = 138,894,836.48
  5. Step 5: Solve for x
    x = 138,894,836.48/13,451.10
  6. Step 6: Final answer
    x = 10,325.91

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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.