Home / 21,184.92-29,238.67-11,756.52

Finding the Fourth Proportional to 21,184.92, 29,238.67 and 11,756.52

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Solution

The fourth proportional to 21,184.92, 29,238.67 and 11,756.52 is: 16,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184.92 : 29,238.67 = 11,756.52 : x
  2. Step 2: Convert to fraction form
    21,184.92/29,238.67 = 11,756.52/x
  3. Step 3: Cross multiply
    21,184.92x = 29,238.67 × 11,756.52
  4. Step 4: Simplify right side
    21,184.92x = 343,745,008.63
  5. Step 5: Solve for x
    x = 343,745,008.63/21,184.92
  6. Step 6: Final answer
    x = 16,225.93

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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.