Home / 14,528.75-20,045.25-8,558.24

Finding the Fourth Proportional to 14,528.75, 20,045.25 and 8,558.24

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Solution

The fourth proportional to 14,528.75, 20,045.25 and 8,558.24 is: 11,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.75 : 20,045.25 = 8,558.24 : x
  2. Step 2: Convert to fraction form
    14,528.75/20,045.25 = 8,558.24/x
  3. Step 3: Cross multiply
    14,528.75x = 20,045.25 × 8,558.24
  4. Step 4: Simplify right side
    14,528.75x = 171,551,960.13
  5. Step 5: Solve for x
    x = 171,551,960.13/14,528.75
  6. Step 6: Final answer
    x = 11,807.76

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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.