Home / 19,616.02-27,051.66-15,132.68

Finding the Fourth Proportional to 19,616.02, 27,051.66 and 15,132.68

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Solution

The fourth proportional to 19,616.02, 27,051.66 and 15,132.68 is: 20,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.02 : 27,051.66 = 15,132.68 : x
  2. Step 2: Convert to fraction form
    19,616.02/27,051.66 = 15,132.68/x
  3. Step 3: Cross multiply
    19,616.02x = 27,051.66 × 15,132.68
  4. Step 4: Simplify right side
    19,616.02x = 409,364,114.25
  5. Step 5: Solve for x
    x = 409,364,114.25/19,616.02
  6. Step 6: Final answer
    x = 20,868.87

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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.