Home / 14,525.75-21,785.85-5,641.08

Finding the Fourth Proportional to 14,525.75, 21,785.85 and 5,641.08

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Solution

The fourth proportional to 14,525.75, 21,785.85 and 5,641.08 is: 8,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.75 : 21,785.85 = 5,641.08 : x
  2. Step 2: Convert to fraction form
    14,525.75/21,785.85 = 5,641.08/x
  3. Step 3: Cross multiply
    14,525.75x = 21,785.85 × 5,641.08
  4. Step 4: Simplify right side
    14,525.75x = 122,895,722.72
  5. Step 5: Solve for x
    x = 122,895,722.72/14,525.75
  6. Step 6: Final answer
    x = 8,460.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.