Home / 21,426.13-32,140.70-6,633.10

Finding the Fourth Proportional to 21,426.13, 32,140.70 and 6,633.10

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Solution

The fourth proportional to 21,426.13, 32,140.70 and 6,633.10 is: 9,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426.13 : 32,140.70 = 6,633.10 : x
  2. Step 2: Convert to fraction form
    21,426.13/32,140.70 = 6,633.10/x
  3. Step 3: Cross multiply
    21,426.13x = 32,140.70 × 6,633.10
  4. Step 4: Simplify right side
    21,426.13x = 213,192,477.17
  5. Step 5: Solve for x
    x = 213,192,477.17/21,426.13
  6. Step 6: Final answer
    x = 9,950.12

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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.