Home / 20,733.04-28,611.04-11,301.36

Finding the Fourth Proportional to 20,733.04, 28,611.04 and 11,301.36

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Solution

The fourth proportional to 20,733.04, 28,611.04 and 11,301.36 is: 15,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.04 : 28,611.04 = 11,301.36 : x
  2. Step 2: Convert to fraction form
    20,733.04/28,611.04 = 11,301.36/x
  3. Step 3: Cross multiply
    20,733.04x = 28,611.04 × 11,301.36
  4. Step 4: Simplify right side
    20,733.04x = 323,343,663.01
  5. Step 5: Solve for x
    x = 323,343,663.01/20,733.04
  6. Step 6: Final answer
    x = 15,595.57

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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.