Home / 14,865.30-20,514.74-8,895.81

Finding the Fourth Proportional to 14,865.30, 20,514.74 and 8,895.81

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Solution

The fourth proportional to 14,865.30, 20,514.74 and 8,895.81 is: 12,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.30 : 20,514.74 = 8,895.81 : x
  2. Step 2: Convert to fraction form
    14,865.30/20,514.74 = 8,895.81/x
  3. Step 3: Cross multiply
    14,865.30x = 20,514.74 × 8,895.81
  4. Step 4: Simplify right side
    14,865.30x = 182,495,229.24
  5. Step 5: Solve for x
    x = 182,495,229.24/14,865.30
  6. Step 6: Final answer
    x = 12,276.59

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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.