Home / 21,588.60-32,382.96-6,798.72

Finding the Fourth Proportional to 21,588.60, 32,382.96 and 6,798.72

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Solution

The fourth proportional to 21,588.60, 32,382.96 and 6,798.72 is: 10,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.60 : 32,382.96 = 6,798.72 : x
  2. Step 2: Convert to fraction form
    21,588.60/32,382.96 = 6,798.72/x
  3. Step 3: Cross multiply
    21,588.60x = 32,382.96 × 6,798.72
  4. Step 4: Simplify right side
    21,588.60x = 220,162,677.81
  5. Step 5: Solve for x
    x = 220,162,677.81/21,588.60
  6. Step 6: Final answer
    x = 10,198.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.