Home / 14,281.01-19,705.44-8,972.06

Finding the Fourth Proportional to 14,281.01, 19,705.44 and 8,972.06

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Solution

The fourth proportional to 14,281.01, 19,705.44 and 8,972.06 is: 12,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.01 : 19,705.44 = 8,972.06 : x
  2. Step 2: Convert to fraction form
    14,281.01/19,705.44 = 8,972.06/x
  3. Step 3: Cross multiply
    14,281.01x = 19,705.44 × 8,972.06
  4. Step 4: Simplify right side
    14,281.01x = 176,798,439.27
  5. Step 5: Solve for x
    x = 176,798,439.27/14,281.01
  6. Step 6: Final answer
    x = 12,379.97

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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.