Home / 14,611.12-21,921.77-4,617.40

Finding the Fourth Proportional to 14,611.12, 21,921.77 and 4,617.40

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Solution

The fourth proportional to 14,611.12, 21,921.77 and 4,617.40 is: 6,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.12 : 21,921.77 = 4,617.40 : x
  2. Step 2: Convert to fraction form
    14,611.12/21,921.77 = 4,617.40/x
  3. Step 3: Cross multiply
    14,611.12x = 21,921.77 × 4,617.40
  4. Step 4: Simplify right side
    14,611.12x = 101,221,471.19
  5. Step 5: Solve for x
    x = 101,221,471.19/14,611.12
  6. Step 6: Final answer
    x = 6,927.70

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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.