Home / 14,826.89-20,460.56-8,855.01

Finding the Fourth Proportional to 14,826.89, 20,460.56 and 8,855.01

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Solution

The fourth proportional to 14,826.89, 20,460.56 and 8,855.01 is: 12,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.89 : 20,460.56 = 8,855.01 : x
  2. Step 2: Convert to fraction form
    14,826.89/20,460.56 = 8,855.01/x
  3. Step 3: Cross multiply
    14,826.89x = 20,460.56 × 8,855.01
  4. Step 4: Simplify right side
    14,826.89x = 181,178,463.41
  5. Step 5: Solve for x
    x = 181,178,463.41/14,826.89
  6. Step 6: Final answer
    x = 12,219.59

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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.