Home / 14,512.14-20,026.92-8,140.08

Finding the Fourth Proportional to 14,512.14, 20,026.92 and 8,140.08

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Solution

The fourth proportional to 14,512.14, 20,026.92 and 8,140.08 is: 11,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.14 : 20,026.92 = 8,140.08 : x
  2. Step 2: Convert to fraction form
    14,512.14/20,026.92 = 8,140.08/x
  3. Step 3: Cross multiply
    14,512.14x = 20,026.92 × 8,140.08
  4. Step 4: Simplify right side
    14,512.14x = 163,020,730.95
  5. Step 5: Solve for x
    x = 163,020,730.95/14,512.14
  6. Step 6: Final answer
    x = 11,233.40

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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.