Home / 15,327.63-21,151.53-9,369.27

Finding the Fourth Proportional to 15,327.63, 21,151.53 and 9,369.27

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Solution

The fourth proportional to 15,327.63, 21,151.53 and 9,369.27 is: 12,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327.63 : 21,151.53 = 9,369.27 : x
  2. Step 2: Convert to fraction form
    15,327.63/21,151.53 = 9,369.27/x
  3. Step 3: Cross multiply
    15,327.63x = 21,151.53 × 9,369.27
  4. Step 4: Simplify right side
    15,327.63x = 198,174,395.48
  5. Step 5: Solve for x
    x = 198,174,395.48/15,327.63
  6. Step 6: Final answer
    x = 12,929.23

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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.