Home / 14,763.86-20,374.18-8,049.40

Finding the Fourth Proportional to 14,763.86, 20,374.18 and 8,049.40

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Solution

The fourth proportional to 14,763.86, 20,374.18 and 8,049.40 is: 11,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.86 : 20,374.18 = 8,049.40 : x
  2. Step 2: Convert to fraction form
    14,763.86/20,374.18 = 8,049.40/x
  3. Step 3: Cross multiply
    14,763.86x = 20,374.18 × 8,049.40
  4. Step 4: Simplify right side
    14,763.86x = 163,999,924.49
  5. Step 5: Solve for x
    x = 163,999,924.49/14,763.86
  6. Step 6: Final answer
    x = 11,108.20

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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.