Home / 14,554.20-20,087.21-8,587.33

Finding the Fourth Proportional to 14,554.20, 20,087.21 and 8,587.33

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Solution

The fourth proportional to 14,554.20, 20,087.21 and 8,587.33 is: 11,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.20 : 20,087.21 = 8,587.33 : x
  2. Step 2: Convert to fraction form
    14,554.20/20,087.21 = 8,587.33/x
  3. Step 3: Cross multiply
    14,554.20x = 20,087.21 × 8,587.33
  4. Step 4: Simplify right side
    14,554.20x = 172,495,501.05
  5. Step 5: Solve for x
    x = 172,495,501.05/14,554.20
  6. Step 6: Final answer
    x = 11,851.94

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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.