Home / 14,825.75-20,464.40-10,646.15

Finding the Fourth Proportional to 14,825.75, 20,464.40 and 10,646.15

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Solution

The fourth proportional to 14,825.75, 20,464.40 and 10,646.15 is: 14,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.75 : 20,464.40 = 10,646.15 : x
  2. Step 2: Convert to fraction form
    14,825.75/20,464.40 = 10,646.15/x
  3. Step 3: Cross multiply
    14,825.75x = 20,464.40 × 10,646.15
  4. Step 4: Simplify right side
    14,825.75x = 217,867,018.83
  5. Step 5: Solve for x
    x = 217,867,018.83/14,825.75
  6. Step 6: Final answer
    x = 14,695.18

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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.