Home / 14,543.40-20,069.88-8,575.08

Finding the Fourth Proportional to 14,543.40, 20,069.88 and 8,575.08

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Solution

The fourth proportional to 14,543.40, 20,069.88 and 8,575.08 is: 11,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.40 : 20,069.88 = 8,575.08 : x
  2. Step 2: Convert to fraction form
    14,543.40/20,069.88 = 8,575.08/x
  3. Step 3: Cross multiply
    14,543.40x = 20,069.88 × 8,575.08
  4. Step 4: Simplify right side
    14,543.40x = 172,100,826.59
  5. Step 5: Solve for x
    x = 172,100,826.59/14,543.40
  6. Step 6: Final answer
    x = 11,833.60

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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.