Home / 14,813.88-20,448.30-8,528.76

Finding the Fourth Proportional to 14,813.88, 20,448.30 and 8,528.76

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Solution

The fourth proportional to 14,813.88, 20,448.30 and 8,528.76 is: 11,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.88 : 20,448.30 = 8,528.76 : x
  2. Step 2: Convert to fraction form
    14,813.88/20,448.30 = 8,528.76/x
  3. Step 3: Cross multiply
    14,813.88x = 20,448.30 × 8,528.76
  4. Step 4: Simplify right side
    14,813.88x = 174,398,643.11
  5. Step 5: Solve for x
    x = 174,398,643.11/14,813.88
  6. Step 6: Final answer
    x = 11,772.65

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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.