Home / 13,536.02-20,301.24-5,213.18

Finding the Fourth Proportional to 13,536.02, 20,301.24 and 5,213.18

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Solution

The fourth proportional to 13,536.02, 20,301.24 and 5,213.18 is: 7,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.02 : 20,301.24 = 5,213.18 : x
  2. Step 2: Convert to fraction form
    13,536.02/20,301.24 = 5,213.18/x
  3. Step 3: Cross multiply
    13,536.02x = 20,301.24 × 5,213.18
  4. Step 4: Simplify right side
    13,536.02x = 105,834,018.34
  5. Step 5: Solve for x
    x = 105,834,018.34/13,536.02
  6. Step 6: Final answer
    x = 7,818.70

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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.