Home / 14,769.02-20,381.40-8,054.59

Finding the Fourth Proportional to 14,769.02, 20,381.40 and 8,054.59

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Solution

The fourth proportional to 14,769.02, 20,381.40 and 8,054.59 is: 11,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.02 : 20,381.40 = 8,054.59 : x
  2. Step 2: Convert to fraction form
    14,769.02/20,381.40 = 8,054.59/x
  3. Step 3: Cross multiply
    14,769.02x = 20,381.40 × 8,054.59
  4. Step 4: Simplify right side
    14,769.02x = 164,163,769.67
  5. Step 5: Solve for x
    x = 164,163,769.67/14,769.02
  6. Step 6: Final answer
    x = 11,115.42

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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.